Math Gr 8 Term 2 Tets
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Questions and Answers

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

  • A positive integer
  • A negative integer
  • 0 (correct)
  • The same integer

    • What is the relationship between the product of a positive and a negative integer?

  • The product is always negative (correct)
  • The product depends on the integers
  • The product is always zero
  • The product is always positive

    • What is the property of multiplication where the order of multiplication does not change the product?

  • Associative Property
  • Distributive Property
  • Commutative Property (correct)
  • Additive Property

    • What is the equation that represents the additive inverse of an integer 'a'?

    <p>a + (-a) = 0</p> Signup and view all the answers

    What is the effect of adding an integer to another integer?

    <p>It is the same as subtracting the additive inverse of the integer</p> Signup and view all the answers

    What is the equation that represents the distributive property of multiplication over addition?

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

    What is the property of addition that states that the order of addition does not change the sum?

    <p>Commutative Property of Addition</p> Signup and view all the answers

    What is the term for an equation where all the numbers are known?

    <p>Closed Number Sentence</p> Signup and view all the answers

    What type of quantity is the length of your arm?

    <p>Constant</p> Signup and view all the answers

    What is the relationship between the number of identical houses to be built and the number of bricks required?

    <p>More houses require more bricks</p> Signup and view all the answers

    What type of relationship exists between the number of learners at a school and the number of classrooms needed?

    <p>More learners require more classrooms</p> Signup and view all the answers

    What is the purpose of a flow diagram?

    <p>To illustrate the relationship between variables</p> Signup and view all the answers

    What are equivalent fractions?

    <p>Fractions that have different numerators and denominators but represent the same value</p> Signup and view all the answers

    How do you simplify a fraction?

    <p>Divide the numerator and denominator by their greatest common divisor</p> Signup and view all the answers

    How do you convert a decimal to a fraction?

    <p>Write the decimal as a fraction with a denominator of a power of 10 and then simplify</p> Signup and view all the answers

    What is an example of a method to identify and create equivalent forms?

    <p>Using multiplication and division</p> Signup and view all the answers

    What is the purpose of finding equivalent forms in mathematics?

    <p>To identify patterns and relationships</p> Signup and view all the answers

    What is an example of a type of equivalent form?

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

    What is the definition of algebraic expressions?

    <p>A sequence of operations that can be written in different forms while remaining equivalent.</p> Signup and view all the answers

    What is the purpose of the distributive property?

    <p>To multiply a single term by each term within a parenthesis.</p> Signup and view all the answers

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

    <p>2x + 6</p> Signup and view all the answers

    What is the definition of like terms?

    <p>Terms that have the same variable(s) raised to the same power.</p> Signup and view all the answers

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

    <p>5x</p> Signup and view all the answers

    What is the result of raising a number to the power of zero?

    <p>1</p> Signup and view all the answers

    What is the formula for the square of a product?

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

    What is the purpose of the order of operations?

    <p>To follow the sequence of operations in algebraic expressions.</p> Signup and view all the answers

    Which of the following is a correct application of the product of powers rule?

    <p>a^2 × a^3 = a^5</p> Signup and view all the answers

    What is the result of cubing a fraction 2/3?

    <p>8/27</p> Signup and view all the answers

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

    <p>2x</p> Signup and view all the answers

    What is the result of squaring a fraction 3/4?

    <p>9/16</p> Signup and view all the answers

    A number is expressed in scientific notation by writing it as the product of a number between?

    <p>1 and 10</p> Signup and view all the answers

    What is the result of multiplying two negative integers?

    <p>Positive</p> Signup and view all the answers

    What is the commutative property of multiplication?

    <p>a × b = b × a</p> Signup and view all the answers

    What is the result of adding a positive integer to a negative integer?

    <p>Depends on the values of the integers</p> Signup and view all the answers

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

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

    What is the power of a product rule?

    <p>(ab)^m = a^m × b^m</p> Signup and view all the answers

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

    <p>Zero</p> Signup and view all the answers

    What is the effect of subtracting an integer on the result?

    <p>It has the same effect as adding its additive inverse</p> Signup and view all the answers

    What is the relationship between the terms in a sequence with a constant difference?

    <p>The terms increase by a constant difference</p> Signup and view all the answers

    What is the formula for the nth term in a linear sequence?

    <p>Tn = a · n + b</p> Signup and view all the answers

    What is the relationship between the number of calls made and the airtime left on a cell phone?

    <p>The more calls made, the less airtime left</p> Signup and view all the answers

    What is the result of adding an integer and its opposite?

    <p>Zero</p> Signup and view all the answers

    What is the term for an equation where all the numbers are known?

    <p>Closed number sentence</p> Signup and view all the answers

    What is the formula for the nth term in a geometric sequence?

    <p>Tn = T1 · r^(n-1)</p> Signup and view all the answers

    What is the property of integer operations that allows integers to be added and subtracted in any order?

    <p>Associative Property of Addition</p> Signup and view all the answers

    What is the formula for the number of elements in the nth position of a triangular number sequence?

    <p>Tn = n · (n + 1) / 2</p> Signup and view all the answers

    What is the result of subtracting an integer from another integer?

    <p>It has the same effect as adding its additive inverse</p> Signup and view all the answers

    What is the purpose of the commutative property of addition?

    <p>To show that integers can be added and subtracted in any order</p> Signup and view all the answers

    What is the result of multiplying a positive and a negative integer?

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

    What is the term for an equation where some numbers are not known initially?

    <p>Open number sentence</p> Signup and view all the answers

    What is the property of integer operations that allows integers to be added and subtracted in any order?

    <p>Associative property of addition</p> Signup and view all the answers

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

    <p>The result is zero</p> Signup and view all the answers

    What symbol is used to indicate that one integer is greater than another?

    <p>&gt;</p> Signup and view all the answers

    What is the property of integer operations that states that the order of multiplication does not change the product?

    <p>Commutative property of multiplication</p> Signup and view all the answers

    Which property allows integers to be added and subtracted in any order?

    <p>Associative Property of Addition</p> Signup and view all the answers

    What is the result of subtracting an integer from its additive inverse?

    <p>Zero</p> Signup and view all the answers

    What is the relationship between the number of calls made and the airtime left on a cell phone?

    <p>The more calls made, the less airtime left</p> Signup and view all the answers

    What is the formula for the nth term in a sequence with a constant difference?

    <p>Tn = T1 + (n - 1) × d</p> Signup and view all the answers

    What is the effect of subtracting an integer on the result?

    <p>It decreases the value</p> Signup and view all the answers

    What is the number of elements in the nth position of a triangular number sequence?

    <p>n × (n + 1) / 2</p> Signup and view all the answers

    What is the result of adding an integer and its opposite?

    <p>Zero</p> Signup and view all the answers

    What is the formula for the nth term in a geometric sequence?

    <p>Tn = T1 × r^(n-1)</p> Signup and view all the answers

    What is the relationship between the terms in a sequence with a constant ratio?

    <p>The ratio between terms is constant</p> Signup and view all the answers

    What is the purpose of finding equivalent forms in mathematics?

    <p>To simplify expressions</p> Signup and view all the answers

    What is the result of multiplying two integers with the same base and different exponents?

    <p>Add the exponents</p> Signup and view all the answers

    What is the purpose of the order of operations (PEMDAS/BODMAS)?

    <p>To evaluate expressions with multiple operations</p> Signup and view all the answers

    What is the result of cubing a fraction 3/4?

    <p>27/64</p> Signup and view all the answers

    What is the definition of scientific notation?

    <p>A number expressed as a product of a number between 1 and 10 and a power of 10</p> Signup and view all the answers

    What is the result of multiplying a positive integer by a negative integer?

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

    What is the purpose of the laws of exponents?

    <p>To simplify expressions involving exponents</p> Signup and view all the answers

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

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

    What is the property of multiplication that allows us to multiply integers in any order?

    <p>Commutative property</p> Signup and view all the answers

    What is the result of raising a number to the power of zero?

    <p>1</p> Signup and view all the answers

    What is the purpose of squaring a fraction?

    <p>To multiply the fraction by itself</p> Signup and view all the answers

    What type of quantities are the number of learners at a school and the number of classrooms needed?

    <p>Variable and variable</p> Signup and view all the answers

    What is the purpose of a flow diagram?

    <p>To illustrate the calculation process and the connection between input and output numbers</p> Signup and view all the answers

    What is the result of having more houses in a development?

    <p>More bricks are required</p> Signup and view all the answers

    What is an equivalent form in mathematics?

    <p>Different expressions that represent the same value</p> Signup and view all the answers

    How do you simplify a fraction?

    <p>By dividing the numerator and denominator by their greatest common divisor</p> Signup and view all the answers

    What is the purpose of finding equivalent forms in mathematics?

    <p>To simplify complex expressions</p> Signup and view all the answers

    What type of quantity is the length of your arm?

    <p>Constant</p> Signup and view all the answers

    What is the relationship between the number of matches in each arrangement and the number of triangles in the arrangement?

    <p>More matches can create more triangles in specific patterns</p> Signup and view all the answers

    How do you convert a decimal to a fraction?

    <p>By writing the decimal as a fraction with a denominator of a power of 10 and then simplifying</p> Signup and view all the answers

    What is the method to identify and create equivalent forms using multiplication and division?

    <p>Multiplying or dividing both the numerator and the denominator of a fraction by the same number</p> Signup and view all the answers

    What is the purpose of expanding algebraic expressions?

    <p>To simplify expressions by combining like terms</p> Signup and view all the answers

    What is the result of applying the distributive property to the expression 2(x + 3)?

    <p>2x + 6</p> Signup and view all the answers

    What is the definition of a coefficient in an algebraic expression?

    <p>The numerical part of a term that contains a variable</p> Signup and view all the answers

    What is the purpose of using the order of operations in algebraic expressions?

    <p>To follow a specific sequence of operations to avoid ambiguity</p> Signup and view all the answers

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

    <p>5x</p> Signup and view all the answers

    What is the formula for the square of a product?

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

    What is the purpose of using flow diagrams in algebraic expressions?

    <p>To represent the sequence of operations visually</p> Signup and view all the answers

    What is the result of applying the distributive property to the expression a(b - c)?

    <p>ab - ac</p> Signup and view all the answers

    Which of the following is true about the product of a positive and a negative integer?

    <p>It is always negative</p> Signup and view all the answers

    What is the purpose of the distributive property of multiplication?

    <p>To expand algebraic expressions</p> Signup and view all the answers

    What is the result of subtracting an integer from its additive inverse?

    <p>Zero</p> Signup and view all the answers

    Which property of integer operations allows integers to be added and subtracted in any order?

    <p>Associative property of addition</p> Signup and view all the answers

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

    <p>The result is zero</p> Signup and view all the answers

    What is the purpose of the commutative property of multiplication?

    <p>To multiply integers in any order</p> Signup and view all the answers

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

    <p>It is always positive</p> Signup and view all the answers

    What is the effect of subtracting an integer from another integer?

    <p>The result is the additive inverse of the original integer</p> Signup and view all the answers

    What is the effect of subtracting a negative integer?

    <p>Increases the value</p> Signup and view all the answers

    Which property allows integers to be added and subtracted in any order?

    <p>Associative Property of Addition</p> Signup and view all the answers

    What is the term for a sequence with a constant ratio?

    <p>Geometric Progression</p> Signup and view all the answers

    What is the formula for the nth term in a sequence with a constant difference?

    <p>Tn = T1 + (n - 1) × d</p> Signup and view all the answers

    What is the term for an equation where some numbers are not known initially?

    <p>Open Number Sentence</p> Signup and view all the answers

    What is the formula for the number of elements in the nth position of a square number sequence?

    <p>Tn = n^2</p> Signup and view all the answers

    What is the effect of subtracting an integer from its additive inverse?

    <p>Results in zero</p> Signup and view all the answers

    What is the term for a sequence with a constant difference?

    <p>Arithmetic Progression</p> Signup and view all the answers

    What is the formula for the nth term in a geometric sequence?

    <p>Tn = T1 × r^(n-1)</p> Signup and view all the answers

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

    <p>Results in zero</p> Signup and view all the answers

    Which of the following statements is true about the influence between quantities?

    <p>The number of matches in an arrangement and the number of triangles in the arrangement are directly influenced.</p> Signup and view all the answers

    What is the purpose of creating a flow diagram?

    <p>To visualize the relationships between input and output numbers and the calculations needed.</p> Signup and view all the answers

    Which of the following is an example of equivalent forms?

    <p>Different algebraic expressions that simplify to the same value.</p> Signup and view all the answers

    What is the purpose of finding equivalent forms in mathematics?

    <p>To solve problems more easily by using alternative forms.</p> Signup and view all the answers

    What is the primary purpose of using the distributive property in algebraic expressions?

    <p>To simplify product expressions</p> Signup and view all the answers

    What is the result of multiplying both the numerator and the denominator of a fraction by the same number?

    <p>An equivalent fraction with the same value.</p> Signup and view all the answers

    Which of the following expressions is an example of a quotient expression?

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

    Which of the following is a method to identify and create equivalent forms?

    <p>Multiplying or dividing both the numerator and the denominator of a fraction by the same number.</p> Signup and view all the answers

    What is the relationship between the number of learners at a school and the number of classrooms needed?

    <p>The number of learners and the number of classrooms are directly proportional.</p> Signup and view all the answers

    What is the result of expanding the expression $(a + b)^2$?

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

    What is the purpose of using flow diagrams in algebraic expressions?

    <p>To represent the sequence of operations visually</p> Signup and view all the answers

    What is the purpose of a flow diagram in a real-world scenario like 'House Costs in a New Development'?

    <p>To calculate the cost of houses excluding the stand.</p> Signup and view all the answers

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

    <p>5x^2</p> Signup and view all the answers

    Which of the following is a characteristic of variables?

    <p>Variables can be either constant or changing.</p> Signup and view all the answers

    What is the relationship between the number of matches in an arrangement and the number of triangles in the arrangement?

    <p>More matches can create more triangles in specific patterns.</p> Signup and view all the answers

    What is the definition of an algebraic expression?

    <p>A sequence of operations involving variables and numbers</p> Signup and view all the answers

    What is the result of cubing the expression $(a + b)^3$?

    <p>a^3 + 3a^2b + 3ab^2 + b^3</p> Signup and view all the answers

    What is the purpose of using the order of operations in algebraic expressions?

    <p>To follow the correct sequence of operations</p> Signup and view all the answers

    What is the result of $(a^m)^n$?

    <p>$a^{m*n}$</p> Signup and view all the answers

    What is the result of $a^m \div a^n$?

    <p>$a^{m-n}$</p> Signup and view all the answers

    What is the result of $a^0$?

    <p>1</p> Signup and view all the answers

    What is the result of $(ab)^m$?

    <p>$a^m imes b^m$</p> Signup and view all the answers

    What is the result of squaring a fraction $a/b$?

    <p>$a^2/b^2$</p> Signup and view all the answers

    What is the result of cubing a fraction $a/b$?

    <p>$a^3/b^3$</p> Signup and view all the answers

    What is the result of converting a number to scientific notation?

    <p>a number between 1 and 10 and a power of 10</p> Signup and view all the answers

    What is the result of comparing numbers in scientific notation?

    <p>compare the exponents first</p> Signup and view all the answers

    What is the result of adding a positive integer to another integer?

    <p>increases the value</p> Signup and view all the answers

    What is the result of subtracting a positive integer from another integer?

    <p>decreases the value</p> Signup and view all the answers

    What is the result of raising a negative number to an even power?

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

    What is the result of dividing two negative integers?

    <p>A positive integer</p> Signup and view all the answers

    What is the result of cubing a negative fraction?

    <p>A negative fraction</p> Signup and view all the answers

    What is the result of adding a negative integer to a positive integer?

    <p>It depends on the values of the integers</p> Signup and view all the answers

    What is the result of subtracting a negative integer from a negative integer?

    <p>A positive integer</p> Signup and view all the answers

    What is the result of raising a positive integer to a negative power?

    <p>A positive fraction</p> Signup and view all the answers

    What is the result of multiplying a negative integer by a negative integer?

    <p>A positive integer</p> Signup and view all the answers

    What is the result of squaring a negative fraction?

    <p>A positive fraction</p> Signup and view all the answers

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

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

    What is the result of adding a positive integer to a negative integer using the distributive property?

    <p>It depends on the values of the integers</p> Signup and view all the answers

    What is the key characteristic that distinguishes an open number sentence from a closed number sentence?

    <p>The presence of unknown numbers</p> Signup and view all the answers

    What is the result of multiplying a negative integer by its additive inverse?

    <p>Zero</p> Signup and view all the answers

    What property of integer operations allows us to rearrange the integers in a sum without changing the result?

    <p>Commutative Property of Addition</p> Signup and view all the answers

    What is the effect of subtracting an integer from another integer?

    <p>Adding the additive inverse of the integer</p> Signup and view all the answers

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

    <p>The product is always negative</p> Signup and view all the answers

    What property of integer operations allows us to regroup the integers in a sum without changing the result?

    <p>Associative Property of Addition</p> Signup and view all the answers

    What is the effect of adding an integer to another integer?

    <p>Adding the additive inverse of the integer</p> Signup and view all the answers

    Which of the following relationships is an example of a variable quantity influencing another variable quantity?

    <p>The number of learners at a school and the number of classrooms needed</p> Signup and view all the answers

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

    <p>Zero</p> Signup and view all the answers

    What is the purpose of finding equivalent forms in mathematics?

    <p>To make calculations more efficient and accurate</p> Signup and view all the answers

    What is the process of finding an equivalent fraction in its simplest form by dividing the numerator and the denominator by their greatest common divisor (GCD)?

    <p>Simplifying fractions</p> Signup and view all the answers

    What is the method of identifying and creating equivalent forms that involves multiplying or dividing both the numerator and the denominator of a fraction by the same number?

    <p>Using multiplication and division</p> Signup and view all the answers

    What is the term for different algebraic expressions that simplify to the same value?

    <p>Equivalent algebraic expressions</p> Signup and view all the answers

    What is the purpose of a flow diagram?

    <p>To show the steps in a calculation</p> Signup and view all the answers

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

    <p>6x^2 + 5x - 4</p> Signup and view all the answers

    What is the method of converting a decimal to a fraction?

    <p>Write the decimal as a fraction with a denominator of a power of 10 and then simplify</p> Signup and view all the answers

    Which of the following expressions is equivalent to $(3x+2)^2$?

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

    What is the relationship between the number of matches in each arrangement and the number of triangles in the arrangement?

    <p>More matches can create more triangles in specific patterns</p> Signup and view all the answers

    What is the term for a quantity that can change significantly?

    <p>Variable</p> Signup and view all the answers

    What is the result of simplifying the expression $rac{2x^2+4x}{x+2}$?

    <p>2x</p> Signup and view all the answers

    Which of the following expressions is equivalent to $(x^2+3x-2)(x+2)$?

    <p>x^3 + 5x^2 - 4</p> Signup and view all the answers

    What is the purpose of identifying equivalent forms in algebra?

    <p>To simplify complex calculations</p> Signup and view all the answers

    What is the result of simplifying the expression $2x^2+5x+3+3x^2-2x-1$?

    <p>5x^2 + 3x + 2</p> Signup and view all the answers

    Which of the following expressions is equivalent to $(x^2-2x-3)(x-2)$?

    <p>x^3 - 4x^2 - 3x + 6</p> Signup and view all the answers

    What is the result of simplifying the expression $3x^2-2x-5+2x^2+3x-2$?

    <p>5x^2 + x - 7</p> Signup and view all the answers

    Which of the following expressions is equivalent to $(2x^2+3x-1)(x+1)$?

    <p>2x^3 + 5x^2 + 2x - 1</p> Signup and view all the answers

    What is the effect of adding an integer to another integer on the value of the result?

    <p>It can either increase or decrease the value depending on the sign of the integer.</p> Signup and view all the answers

    Which symbol is used to indicate that one integer is greater than another?

    <p>&gt;</p> Signup and view all the answers

    What is the formula for the nth term in a sequence with a constant ratio?

    <p>T_n = T_1 * r^(n-1)</p> Signup and view all the answers

    What is the relationship between the number of calls made and the airtime left on a cell phone?

    <p>The more calls made, the less airtime left.</p> Signup and view all the answers

    What is the formula for the number of elements in the nth position of a square number sequence?

    <p>T_n = n^2</p> Signup and view all the answers

    What is the effect of subtracting a negative integer from another integer on the value of the result?

    <p>It always increases the value.</p> Signup and view all the answers

    What is the property of integer operations that allows integers to be added and subtracted in any order?

    <p>Both commutative and associative properties of addition</p> Signup and view all the answers

    What is the formula for the nth term in a linear sequence?

    <p>T_n = T_1 + (n - 1) * d</p> Signup and view all the answers

    What is the term for an equation where some numbers are not known initially?

    <p>Open number sentence</p> Signup and view all the answers

    What is the relationship between the terms in a sequence with a constant difference?

    <p>The terms are related by a constant difference.</p> Signup and view all the answers

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