Gr 9 MATH: November Hard
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Questions and Answers

Which of the following operations is not closed under the system of natural numbers?

  • Multiplication
  • Division (correct)
  • Subtraction (correct)
  • Addition

What is the purpose of the number 0 in the system of whole numbers?

  • To represent the presence of quantity
  • To write fractions
  • To represent the absence of quantity (correct)
  • To make subtraction possible

Which of the following statements is true about the system of integers?

  • The system of integers is closed under subtraction
  • The sum of two integers can be zero (correct)
  • The sum of two integers is always an integer
  • Each integer does not have an additive inverse

What is the definition of a rational number?

<p>A number that can be expressed as the quotient of two integers (A)</p> Signup and view all the answers

Which of the following is an example of an irrational number?

<p>√2 (A)</p> Signup and view all the answers

What is the set of real numbers composed of?

<p>Rational and irrational numbers (A)</p> Signup and view all the answers

What is the identity element for addition in the system of whole numbers?

<p>0 (C)</p> Signup and view all the answers

Which of the following is a property of natural numbers?

<p>When you add two or more natural numbers, you get a natural number again (D)</p> Signup and view all the answers

What is the result of subtracting a larger number from a smaller number?

<p>A negative number (B)</p> Signup and view all the answers

What is the additive inverse of a positive number?

<p>Its corresponding negative number (C)</p> Signup and view all the answers

What is the result of adding a positive and a negative number?

<p>Depends on the magnitudes of the numbers involved (B)</p> Signup and view all the answers

What is the product of two negative numbers?

<p>Positive (D)</p> Signup and view all the answers

What is the distributive property of multiplication over addition?

<p>a(b + c) = ab + ac (A)</p> Signup and view all the answers

What is the result of dividing a positive number by a negative number?

<p>Negative (C)</p> Signup and view all the answers

What is the square root of a number?

<p>The positive or negative number that, when multiplied by itself, gives the original number (B)</p> Signup and view all the answers

What is the result of adding a negative number to its additive inverse?

<p>Zero (C)</p> Signup and view all the answers

What is the result of subtracting an additive inverse from a number?

<p>The additive inverse of the number (D)</p> Signup and view all the answers

What is the purpose of negative numbers in real-world applications?

<p>Both a and b (B)</p> Signup and view all the answers

What is the primary purpose of estimating in calculations?

<p>To get close to an answer without performing precise calculations (C)</p> Signup and view all the answers

When performing addition in columns, what is the correct order of operation?

<p>Add each digit starting from the rightmost digit (D)</p> Signup and view all the answers

What is the process of expressing a number as a product of its prime factors called?

<p>Prime factorization (A)</p> Signup and view all the answers

What is the formula to calculate the average speed of an object?

<p>Average speed = Distance / Time (D)</p> Signup and view all the answers

What is the term for the largest number that divides each of two or more numbers without leaving a remainder?

<p>Highest common factor (C)</p> Signup and view all the answers

What is the purpose of compensating for errors in calculations?

<p>To correct errors introduced by rounding (B)</p> Signup and view all the answers

What is the formula to calculate the distance traveled by an object?

<p>Distance = Average speed × Time (B)</p> Signup and view all the answers

What is the term for the process of dividing a number step-by-step, subtracting multiples of the divisor from the dividend, and continuing the process until the remainder is less than the divisor?

<p>Long division (C)</p> Signup and view all the answers

What is the formula to calculate the time taken to travel a certain distance?

<p>Time = Distance / Average speed (D)</p> Signup and view all the answers

What is the term for the process of paying a deposit and then making monthly instalments?

<p>Hire purchase (B)</p> Signup and view all the answers

What is the result of subtracting a larger number from a smaller number?

<p>A negative number (D)</p> Signup and view all the answers

What is the equivalent of adding a negative number?

<p>Subtracting a positive number (C)</p> Signup and view all the answers

What is the result of the product of a positive and a negative number?

<p>A negative number (C)</p> Signup and view all the answers

What is the order of operations when calculating expressions involving exponents?

<p>Parentheses, exponents, multiplication, division, addition, subtraction (C)</p> Signup and view all the answers

What is the value of a^-n in exponential notation?

<p>1/a^n (A)</p> Signup and view all the answers

What is the purpose of scientific notation?

<p>To express very large or very small numbers (C)</p> Signup and view all the answers

What is the result of adding an integer to its additive inverse?

<p>Zero (D)</p> Signup and view all the answers

What is the product of a negative and a negative integer?

<p>A positive number (C)</p> Signup and view all the answers

What is the purpose of the laws of exponents?

<p>To simplify exponential expressions (C)</p> Signup and view all the answers

What is the purpose of investigating and extending geometric patterns?

<p>To analyze arrangements consisting of different shapes and colors (D)</p> Signup and view all the answers

What is the primary purpose of an algebraic expression?

<p>To indicate a sequence of operations that can be described in words or diagrams. (C)</p> Signup and view all the answers

Which of the following is a convention for writing algebraic expressions?

<p>Write a known number first in a product. (B)</p> Signup and view all the answers

What is the correct order of operations in an algebraic expression without brackets?

<p>Multiplication and division, then addition and subtraction. (C)</p> Signup and view all the answers

What is an expression with one term only?

<p>Monomial (A)</p> Signup and view all the answers

What is the symbol often used to represent the variable in an algebraic expression?

<p>x (C)</p> Signup and view all the answers

What is the purpose of brackets in an algebraic expression?

<p>To indicate that the expression should be evaluated first. (A)</p> Signup and view all the answers

What is an equivalent expression?

<p>An expression with the same numerical value for any given value of the variable. (A)</p> Signup and view all the answers

What is the term for the number multiplying the variable in an algebraic expression?

<p>Coefficient (D)</p> Signup and view all the answers

What is the purpose of forming sequences and identifying patterns?

<p>To extend sequences and describe how they are formed. (B)</p> Signup and view all the answers

What is the term for a fixed value in an algebraic expression?

<p>Constant (A)</p> Signup and view all the answers

What is the term for the sum of interior angles of a polygon?

<p>Dependent on the number of sides (C)</p> Signup and view all the answers

What is the primary purpose of a flow diagram in representing a function?

<p>To determine the output value for a given input (C)</p> Signup and view all the answers

What is the condition for two lines to be perpendicular?

<p>They intersect at a right angle (C)</p> Signup and view all the answers

What is the key feature of a graph that indicates the rate of change between variables?

<p>Slope/Gradient (C)</p> Signup and view all the answers

What is the result of multiplying the polynomial 2x^2 + 3x - 1 by the monomial 5x?

<p>10x^3 + 15x^2 - 5x^2 (C)</p> Signup and view all the answers

What is the term for a polygon with all sides and angles equal?

<p>Regular polygon (D)</p> Signup and view all the answers

Which of the following representations of a function shows the values of input and corresponding output?

<p>Table (B)</p> Signup and view all the answers

What is the formula to calculate the area of a rectangle?

<p>A = l × w (D)</p> Signup and view all the answers

What is the result of simplifying the expression (3x + 2)^2?

<p>9x^2 + 12x + 4 (B)</p> Signup and view all the answers

What is the term for the line that intersects two or more other lines?

<p>Transversal (D)</p> Signup and view all the answers

What is the result of evaluating the expression 2x^2 + 5x - 1 when x = 3?

<p>25 (C)</p> Signup and view all the answers

What is the formula to calculate the gradient of a line passing through two points?

<p>Gradient = (y2 - y1) / (x2 - x1) (D)</p> Signup and view all the answers

What is the sum of the interior angles of a triangle?

<p>180° (D)</p> Signup and view all the answers

What is the result of dividing the polynomial 4x^2 + 2x - 3 by the monomial 2x?

<p>2x + 1 - 3/2x (C)</p> Signup and view all the answers

What is the definition of a function in terms of variables?

<p>A relationship between two variables where each input has exactly one output (A)</p> Signup and view all the answers

What is the primary purpose of a graph in representing a function?

<p>To provide a visual representation of the relationship (A)</p> Signup and view all the answers

What is the term for the angles formed when two lines intersect?

<p>Vertically opposite angles (C)</p> Signup and view all the answers

What is the result of applying the rule 2n + 1 to the even number 4?

<p>9 (B)</p> Signup and view all the answers

What are the key features to consider when interpreting graphs?

<p>Slope/Gradient, Intercepts, and Continuity (C)</p> Signup and view all the answers

What is the result of simplifying the expression (x + 2)(x - 3)?

<p>x^2 - x - 6 (D)</p> Signup and view all the answers

What is the formula to calculate the perimeter of a square?

<p>P = 4s (A)</p> Signup and view all the answers

What is the term for the angles formed when a transversal intersects parallel lines?

<p>Corresponding angles (D)</p> Signup and view all the answers

What is the purpose of a formula in representing a function?

<p>To describe the algebraic expression that defines the function (A)</p> Signup and view all the answers

What is the result of evaluating the expression x^2 + 2x - 5 when x = -2?

<p>-1 (D)</p> Signup and view all the answers

What is the result of multiplying the polynomial x^2 - 2x + 1 by the monomial 3x?

<p>3x^3 - 6x^2 + 3x (C)</p> Signup and view all the answers

What is the term for the process of drawing and interpreting graphs of angles and lines?

<p>Drawing and interpreting graphs of angles and lines (D)</p> Signup and view all the answers

What is the relationship between the input and output values in a function?

<p>Each input has exactly one output (D)</p> Signup and view all the answers

What is the purpose of a table in representing a function?

<p>To display values of input and corresponding output (B)</p> Signup and view all the answers

What is the result of simplifying the expression (x + 1)(x - 2) + 3x?

<p>x^2 - x + 1 (C)</p> Signup and view all the answers

What is the result of applying the rule x - 1000 to the natural number 800?

<p>-200 (B)</p> Signup and view all the answers

What is the primary purpose of using tables to represent functions?

<p>To identify the input and output values (C)</p> Signup and view all the answers

What is the sum of the angles on a straight line?

<p>180° (A)</p> Signup and view all the answers

What is the term for angles whose sum is 180°?

<p>Supplementary angles (A)</p> Signup and view all the answers

What is the purpose of drawing graphs of functions?

<p>To visualize the relationship between variables (C)</p> Signup and view all the answers

What is the result of subtracting a larger number from a smaller number in the context of functions?

<p>A negative number (B)</p> Signup and view all the answers

What is the term for lines that intersect to form equal angles of 90°?

<p>Perpendicular lines (D)</p> Signup and view all the answers

What is the purpose of identifying the gradient of a line?

<p>To identify the slope of a line (D)</p> Signup and view all the answers

What is the term for a line that intersects two or more other lines?

<p>Transversal (A)</p> Signup and view all the answers

What is the term for angles formed when two straight lines intersect?

<p>Vertically opposite angles (D)</p> Signup and view all the answers

What is the purpose of measuring angles in degrees?

<p>To describe the size of angles (A)</p> Signup and view all the answers

What is the formula for the surface area of a cylinder?

<p>SA = 2πr(h + r) (B)</p> Signup and view all the answers

What is the formula for the volume of a rectangular prism?

<p>V = lwh (C)</p> Signup and view all the answers

What is the formula for the area of a trapezium?

<p>A = 1/2 × (side1 + side2) × height (D)</p> Signup and view all the answers

What is the formula for the perimeter of a rectangle?

<p>P = 2l + 2w (D)</p> Signup and view all the answers

What is the formula for the surface area of a sphere?

<p>SA = 4πr^2 (A)</p> Signup and view all the answers

What is the formula for the volume of a cone?

<p>V = 1/3πr^2h (D)</p> Signup and view all the answers

What is the formula for the area of a rhombus?

<p>A = 1/2 × d1 × d2 (A)</p> Signup and view all the answers

What is the formula for the circumference of a circle?

<p>C = 2πr (D)</p> Signup and view all the answers

What is the formula to calculate the area of a sector?

<p>A = (θ/360) × πr^2 (D)</p> Signup and view all the answers

What is the formula to calculate the sum of interior angles in a polygon?

<p>(n - 2) × 180° (C)</p> Signup and view all the answers

What is the formula to calculate the perimeter of a polygon?

<p>P = ns (C)</p> Signup and view all the answers

What is the method to construct a perpendicular line through a point on a line segment?

<p>Draw a circle with the point as the center and the radius smaller than the distance to one end of the segment. (D)</p> Signup and view all the answers

What is the formula to calculate the arc length of a sector?

<p>L = (θ/360) × 2πr (D)</p> Signup and view all the answers

What is the method to bisect an angle?

<p>Draw a circle with the vertex of the angle as the center and marking off equal lengths on both arms of the angle. (D)</p> Signup and view all the answers

What is the property of the angle bisectors of a triangle?

<p>The three angle bisectors of a triangle intersect at one point, equidistant from each side of the triangle. (A)</p> Signup and view all the answers

What is the formula to calculate the area of a regular polygon?

<p>A = 1/4ns^2cot(π/n) (D)</p> Signup and view all the answers

What is the method to construct a 45° angle?

<p>Draw a 90° angle using the method for constructing perpendicular lines and then bisect it. (C)</p> Signup and view all the answers

What is the property of the exterior angle of a triangle?

<p>The exterior angle of a triangle is equal to the sum of the interior opposite angles. (C)</p> Signup and view all the answers

What is the formula to translate a point by a vector (a, b)?

<p>(x, y) -&gt; (x + a, y + b) (B)</p> Signup and view all the answers

What is the formula to rotate a point 90 degrees counterclockwise about the origin?

<p>(x, y) -&gt; (-y, x) (A)</p> Signup and view all the answers

What is the formula to reflect a point over the line y = x?

<p>(x, y) -&gt; (y, x) (B)</p> Signup and view all the answers

What is the formula to dilate a point from the origin by a scale factor k?

<p>(x, y) -&gt; (kx, ky) (D)</p> Signup and view all the answers

What is the formula for the area of a parallelogram?

<p>A = base * height (A)</p> Signup and view all the answers

What is the formula for the perimeter of a kite?

<p>P = 2a + 2b (A)</p> Signup and view all the answers

What is the effect of doubling the dimensions of a shape on its perimeter?

<p>The perimeter doubles (C)</p> Signup and view all the answers

What is the effect of doubling the dimensions of a shape on its area?

<p>The area quadruples (B)</p> Signup and view all the answers

What is the conversion factor from meters to kilometers?

<p>1 km = 1000 m (A)</p> Signup and view all the answers

What is the formula for the circumference of a circle?

<p>C = 2pi r (B)</p> Signup and view all the answers

What is the minimum condition required to prove congruency of two triangles using the SAS method?

<p>Two sides and the included angle (A)</p> Signup and view all the answers

What is the formula to calculate the area of a triangle using Heron's Formula?

<p>A = √(s(s - a)(s - b)(s - c)) (D)</p> Signup and view all the answers

What is the formula to calculate the perimeter of a rectangle?

<p>P = 2(l + w) (B)</p> Signup and view all the answers

What is the formula to calculate the area of a circle?

<p>A = πr^2 (C)</p> Signup and view all the answers

What is the formula to calculate the sum of interior angles of a regular polygon?

<p>Sum = (n - 2) × 180° (D)</p> Signup and view all the answers

What is the method of constructing a triangle using the SSS method?

<p>Use a compass to draw arcs from each endpoint of the base to intersect and form the other vertices (B)</p> Signup and view all the answers

What is the type of transformation that moves every point of a shape the same distance in the same direction?

<p>Translation (C)</p> Signup and view all the answers

What is the formula to calculate the arc length of a circle?

<p>L = θ/360 × 2πr (B)</p> Signup and view all the answers

What is the method of constructing a parallelogram?

<p>Draw the base, use a set square to draw the height, and then draw the parallel opposite sides (A)</p> Signup and view all the answers

What is the formula to calculate the area of a sector of a circle?

<p>A = θ/360 × πr^2 (A)</p> Signup and view all the answers

Which property of natural numbers is also true for integers?

<p>When you multiply two or more, you get an integer again. (A), When you add two or more, you get an integer again. (C)</p> Signup and view all the answers

What is a characteristic of rational numbers that distinguishes them from integers?

<p>They can be expressed as the quotient of two integers. (A)</p> Signup and view all the answers

What is the primary reason for extending whole numbers to integers?

<p>To include negative numbers. (D)</p> Signup and view all the answers

Which set of numbers includes both rational and irrational numbers?

<p>Real numbers. (A)</p> Signup and view all the answers

What is the result of adding the additive inverse of a number to itself?

<p>Zero. (A)</p> Signup and view all the answers

What is a characteristic of natural numbers under subtraction?

<p>The answer is not always a natural number. (B)</p> Signup and view all the answers

Which property of natural numbers is not true for whole numbers?

<p>Closed under division. (A)</p> Signup and view all the answers

What is a characteristic of irrational numbers?

<p>They cannot be expressed as a fraction of two integers. (A)</p> Signup and view all the answers

What is the result of subtracting a negative number from a positive number?

<p>Always positive (C)</p> Signup and view all the answers

What is the purpose of the laws of exponents?

<p>To simplify exponential expressions (D)</p> Signup and view all the answers

What is the value of a^0 in exponential notation?

<p>1 (A)</p> Signup and view all the answers

What is the correct order of operations when calculating expressions involving exponents?

<p>Parentheses, Exponents, Multiplication and Division, Addition and Subtraction (D)</p> Signup and view all the answers

What is the purpose of scientific notation?

<p>To express very large or very small numbers in a compact form (A)</p> Signup and view all the answers

What is the result of adding a positive and a negative number?

<p>Sometimes positive, sometimes negative (D)</p> Signup and view all the answers

What is the product of a positive and a negative integer?

<p>Always negative (D)</p> Signup and view all the answers

What is the purpose of investigating and extending geometric patterns?

<p>To identify and extend patterns in shapes and arrangements (C)</p> Signup and view all the answers

What is the value of a^-n in exponential notation?

<p>1/a^n (B)</p> Signup and view all the answers

What is the major difference between estimating and rounding off numbers?

<p>Rounding off is used for precise calculations, while estimating is used for approximate calculations. (C)</p> Signup and view all the answers

What is the purpose of negative numbers in real-world applications?

<p>To represent debts or losses (C)</p> Signup and view all the answers

What is the purpose of finding the lowest common multiple of two numbers?

<p>To find the common denominator of two fractions. (C)</p> Signup and view all the answers

What is the formula to calculate the average speed of an object?

<p>Average speed = Distance / Time (D)</p> Signup and view all the answers

What is the term for the process of dividing a number step-by-step, subtracting multiples of the divisor from the dividend, and continuing the process until the remainder is less than the divisor?

<p>Long division (C)</p> Signup and view all the answers

What is the purpose of calculating the highest common factor of two numbers?

<p>To simplify fractions. (B)</p> Signup and view all the answers

What is the formula to calculate the distance traveled by an object?

<p>Distance = Average speed × Time (B)</p> Signup and view all the answers

What is the term for the process of paying a deposit and then making monthly instalments?

<p>Hire purchase (B)</p> Signup and view all the answers

What is the purpose of calculating the ratio of two numbers?

<p>To compare the rates of two people collecting apples. (C)</p> Signup and view all the answers

What is the formula to calculate the time taken to travel a certain distance?

<p>Time = Distance / Average speed (A)</p> Signup and view all the answers

What is the purpose of finding the prime factorization of a number?

<p>To find the highest common factor of two numbers. (D)</p> Signup and view all the answers

What is the result of adding a positive and a negative number with the same magnitude?

<p>Zero (D)</p> Signup and view all the answers

What is the additive inverse of a negative number?

<p>A positive number with the same magnitude (A)</p> Signup and view all the answers

What is the result of subtracting a negative number from a positive number?

<p>A positive number (B)</p> Signup and view all the answers

What is the product of a positive and a negative integer?

<p>A negative integer (A)</p> Signup and view all the answers

What is the distributive property of multiplication over addition?

<p>a(b + c) = ab + ac (B)</p> Signup and view all the answers

What is the result of dividing a positive number by a negative number?

<p>A negative number (B)</p> Signup and view all the answers

What is the purpose of negative numbers in real-world applications?

<p>All of the above (D)</p> Signup and view all the answers

What is the result of adding a negative number to its additive inverse?

<p>Zero (D)</p> Signup and view all the answers

What is the product of two negative numbers?

<p>A positive number (B)</p> Signup and view all the answers

What is the result of subtracting an additive inverse from a number?

<p>The original number (B)</p> Signup and view all the answers

What is the primary purpose of algebraic expressions?

<p>To describe a sequence of operations (C)</p> Signup and view all the answers

What is the correct order of operations in an algebraic expression without brackets?

<p>Multiplication and division first, then addition and subtraction (A)</p> Signup and view all the answers

What is the term for an expression with one term only?

<p>Monomial (A)</p> Signup and view all the answers

What is the purpose of brackets in an algebraic expression?

<p>To indicate the order of operations (A)</p> Signup and view all the answers

What is the term for a fixed value in an algebraic expression?

<p>Constant (B)</p> Signup and view all the answers

What is the symbol often used to represent the variable in an algebraic expression?

<p>x (A)</p> Signup and view all the answers

What is an equivalent expression?

<p>An expression with different sequences of operations but the same numerical value (B)</p> Signup and view all the answers

What is the term for the number multiplying the variable in an algebraic expression?

<p>Coefficient (A)</p> Signup and view all the answers

What is the purpose of forming sequences and identifying patterns?

<p>To describe the relationship between terms and their positions in sequences (B)</p> Signup and view all the answers

What is the convention for writing algebraic expressions?

<p>Write the known number first in a product (B)</p> Signup and view all the answers

What is the result of squaring the binomial (a + b)?

<p>a^2 + 2ab + b (D)</p> Signup and view all the answers

Which of the following expressions is equivalent to 2x^2 + 5x + 3?

<p>2(x^2 + 2.5x + 1.5) (C)</p> Signup and view all the answers

What is the result of dividing the polynomial x^2 + 4x + 4 by the monomial x + 2?

<p>x + 2 (A)</p> Signup and view all the answers

What is the result of applying the rule 2n + 1 to the even number 4?

<p>9 (B)</p> Signup and view all the answers

What is the result of evaluating the expression (x + 1)^2 when x = 2?

<p>13 (D)</p> Signup and view all the answers

What is the result of multiplying the polynomial 2x^2 + 3x - 1 by the monomial 3x?

<p>6x^3 + 9x^2 - 3x (A)</p> Signup and view all the answers

What is the result of simplifying the expression (3x + 2)(x - 1)?

<p>3x^2 - x - 2 (D)</p> Signup and view all the answers

What is the result of dividing the polynomial 2x^2 + 5x + 3 by the integer 2?

<p>x^2 + 2.5x + 1.5 (C)</p> Signup and view all the answers

What is the result of applying the rule x - 1000 to the natural number 800?

<p>-200 (A)</p> Signup and view all the answers

What is the result of evaluating the expression (2x + 1)^2 when x = 3?

<p>50 (B)</p> Signup and view all the answers

What is the minimum condition for congruency in a triangle with three sides given?

<p>SSS (D)</p> Signup and view all the answers

What is the formula to calculate the area of a triangle given the base and height?

<p>A = 1/2 * base * height (D)</p> Signup and view all the answers

What is the condition for two triangles to be congruent by SAS?

<p>Two sides and an included angle (B)</p> Signup and view all the answers

What is the formula to calculate the perimeter of a rectangle?

<p>P = 2(l + w) (A)</p> Signup and view all the answers

What is the condition for constructing a triangle with two sides and an included angle?

<p>SAS (D)</p> Signup and view all the answers

What is the formula to calculate the area of a circle?

<p>A = π * r^2 (C)</p> Signup and view all the answers

What is the type of transformation that moves every point of a shape the same distance in the same direction?

<p>Translation (C)</p> Signup and view all the answers

What is the primary characteristic of a function that distinguishes it from other relationships between variables?

<p>Each input has exactly one output (D)</p> Signup and view all the answers

What is the advantage of using a flow diagram to represent a function?

<p>It clearly shows the calculations needed to determine the output value (D)</p> Signup and view all the answers

What is the formula to calculate the sum of interior angles of a polygon?

<p>Sum = (n - 2) * 180° (D)</p> Signup and view all the answers

What is the condition for constructing a parallelogram?

<p>All of the above (D)</p> Signup and view all the answers

What is the formula used to calculate the gradient of a line passing through two points (x1, y1) and (x2, y2)?

<p>Gradient = (y2 - y1) / (x2 - x1) (D)</p> Signup and view all the answers

What is the formula to calculate the area of a regular polygon?

<p>A = 1/2 * n * s^2 * cot(π/n) (D)</p> Signup and view all the answers

What is the purpose of interpreting graphs in the context of functions?

<p>To visualize the relationship between variables and identify key features (A)</p> Signup and view all the answers

What is the term for a quantity that can change in a function?

<p>Variable (A)</p> Signup and view all the answers

What is the purpose of tables in the context of functions?

<p>To display the input values and their corresponding output values (D)</p> Signup and view all the answers

What is the term for the result of applying a function to an input value?

<p>Function value (A)</p> Signup and view all the answers

What is the purpose of formulas in the context of functions?

<p>To describe the calculations needed to determine the output value (B)</p> Signup and view all the answers

What is the term for the rate of change between variables in a graph?

<p>Gradient (C)</p> Signup and view all the answers

What is the purpose of drawing graphs in the context of functions?

<p>To visualize the relationship between variables and identify key features (B)</p> Signup and view all the answers

What is the sum of interior angles of a quadrilateral?

<p>360° (D)</p> Signup and view all the answers

Which of the following angles are equal when two lines intersect?

<p>Vertically opposite angles (A)</p> Signup and view all the answers

What is the term for a polygon with all sides and angles equal?

<p>Regular polygon (C)</p> Signup and view all the answers

What is the formula to calculate the area of a rhombus?

<p>A = ½ × d1 × d2 (C)</p> Signup and view all the answers

Which of the following is a property of parallel lines and transversals?

<p>All of the above (D)</p> Signup and view all the answers

What is the term for a triangle with two sides and two angles equal?

<p>Isosceles triangle (A)</p> Signup and view all the answers

What is the sum of interior angles of a triangle?

<p>180° (C)</p> Signup and view all the answers

Which of the following is a property of a circle?

<p>All points are equidistant from the center (D)</p> Signup and view all the answers

What is the formula to calculate the perimeter of a rectangle?

<p>P = 2(l + w) (C)</p> Signup and view all the answers

Which of the following angles are equal when a transversal intersects parallel lines?

<p>All of the above (D)</p> Signup and view all the answers

What is the formula to calculate the gradient of a line passing through two points (x_1, y_1) and (x_2, y_2)?

<p>Gradient = (y_2 - y_1) / (x_2 - x_1) (C)</p> Signup and view all the answers

What is the term for the relationship between two variables where each input corresponds to exactly one output?

<p>Function (D)</p> Signup and view all the answers

When interpreting graphs, what does the slope/gradient indicate?

<p>How rapidly the output changes with respect to the input (C)</p> Signup and view all the answers

What is the formula to calculate the surface area of a rectangular prism?

<p>SA = 2lw + 2lh + 2wh (B)</p> Signup and view all the answers

What is the sum of angles on a straight line?

<p>180° (A)</p> Signup and view all the answers

What is the formula to calculate the volume of a cylinder?

<p>V = πr^2h (B)</p> Signup and view all the answers

What is the term for two angles whose sum is 180°?

<p>Supplementary angles (D)</p> Signup and view all the answers

What is the formula to calculate the surface area of a sphere?

<p>SA = 4πr^2 (B)</p> Signup and view all the answers

When two lines intersect, what is the relationship between the vertically opposite angles?

<p>They are equal (B)</p> Signup and view all the answers

What is the term for a line that intersects two or more other lines?

<p>Transversal (D)</p> Signup and view all the answers

What is the formula to calculate the volume of a cone?

<p>V = (1/3)πr^2h (D)</p> Signup and view all the answers

What is the term for the angles on opposite sides of the transversal but inside the two intersected lines?

<p>Alternate angles (A)</p> Signup and view all the answers

What is the formula to calculate the perimeter of a rectangle?

<p>P = 2(l + w) (B)</p> Signup and view all the answers

When drawing graphs of functions, what is the first step?

<p>Identify the function (C)</p> Signup and view all the answers

What is the formula to calculate the area of a triangle?

<p>A = (1/2)base × height (A)</p> Signup and view all the answers

What is the formula to calculate the surface area of a cube?

<p>SA = 6s^2 (A)</p> Signup and view all the answers

What is the term for the output value corresponding to a given input?

<p>Function value (A)</p> Signup and view all the answers

What is the formula to calculate the volume of a rectangular pyramid?

<p>V = (1/3)lwh (A)</p> Signup and view all the answers

What is the formula to calculate the area of a sector?

<p>A = θ/360 × πr^2 (B)</p> Signup and view all the answers

What is the formula to calculate the arc length of a sector?

<p>L = θ/360 × 2πr (C)</p> Signup and view all the answers

What is the sum of interior angles of a regular polygon with n sides?

<p>(n - 2) × 180° (A)</p> Signup and view all the answers

What is the formula to calculate the area of a regular polygon with n sides and side length s?

<p>A = (1/4) × n × s^2 × cot(π/n) (C)</p> Signup and view all the answers

What is the method to construct a perpendicular line through a point not on the line segment?

<p>Draw a circle with one end point of the line segment as the center and passing through the given point. (D)</p> Signup and view all the answers

What is the method to bisect an angle using circles?

<p>Draw a circle with the vertex of the angle as the center and marking off equal lengths on both arms of the angle. (C)</p> Signup and view all the answers

What is the method to construct a 45° angle?

<p>Draw a 90° angle using the method for constructing perpendicular lines and then bisect it. (D)</p> Signup and view all the answers

What is the property of angle bisectors in a triangle?

<p>They intersect at one point, equidistant from each side of the triangle. (C)</p> Signup and view all the answers

What is the relationship between an exterior angle and its interior opposite angles?

<p>The exterior angle is equal to the sum of its interior opposite angles. (C)</p> Signup and view all the answers

What is the formula for the reflection of a point over the line y = x?

<p>(x, y) → (y, x) (D)</p> Signup and view all the answers

What is the result of a 90° counterclockwise rotation about the origin of a point (x, y)?

<p>(x, y) → (y, -x) (A)</p> Signup and view all the answers

What is the formula for the area of a parallelogram?

<p>A = base × height (A)</p> Signup and view all the answers

What is the result of doubling the dimensions of a rectangle?

<p>The area is quadrupled and the perimeter is doubled. (A)</p> Signup and view all the answers

What is the formula for the circumference of a circle?

<p>C = 2 × π × radius (D)</p> Signup and view all the answers

What is the effect of a 180° rotation about the origin of a point (x, y)?

<p>The point is reflected over the x-axis. (A)</p> Signup and view all the answers

What is the formula for the area of a kite?

<p>A = 1/2 × d1 × d2 (C)</p> Signup and view all the answers

What is the result of a translation of a point (x, y) by a vector (a, b)?

<p>(x, y) → (x + a, y + b) (D)</p> Signup and view all the answers

What is the formula for the dilation of a point (x, y) with scale factor k?

<p>(x, y) → (kx, ky) (D)</p> Signup and view all the answers

What is the result of a reflection of a point (x, y) over the y-axis?

<p>(x, y) → (-x, y) (D)</p> Signup and view all the answers

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