Cartesian Coordinate System Overview
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Questions and Answers

In the Cartesian coordinate system, where do points lie if both x- and y-coordinates are positive?

  • Quadrant III
  • Quadrant II
  • Quadrant I (correct)
  • Quadrant IV

    • What do x-coordinates describe in the Cartesian coordinate system?

  • Points in Quadrant I
  • Vertical position along the y-axis
  • Horizontal position along the x-axis (correct)
  • Points in Quadrant IV

    • Which quadrant contains points with a negative x-coordinate and a positive y-coordinate?

  • Quadrant II (correct)
  • Quadrant I
  • Quadrant IV
  • Quadrant III

    • What format are locations of points on a coordinate plane given in?

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

    Where do points lie if both coordinates of an ordered pair are negative?

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

    What does the z-axis help locate in the Cartesian coordinate system?

    <p>Points above or below the coordinate plane (B)</p> Signup and view all the answers

    What is the relationship between the x- and y-coordinates in a coordinate pair?

    <p>They are grouped together in coordinate pairs. (A)</p> Signup and view all the answers

    What does the y-intercept of a graph represent?

    <p>The point where the graph intersects the y-axis (D)</p> Signup and view all the answers

    Which variable is not affected by changes in other variables?

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

    What is a function table?

    <p>A table displaying relationships between input and output (B)</p> Signup and view all the answers

    What does the range of a function represent?

    <p>The set of all possible outputs for the domain (D)</p> Signup and view all the answers

    In mathematics, what is an expression that defines the relationship between an input and an output called?

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

    What defines the relationship of an input and an output in mathematics?

    <p>$f(x)$ (D)</p> Signup and view all the answers

    Which representation of a function uses rows and columns to display input and output values?

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

    What is the most common form of a linear function?

    <p>Slope-Intercept Form (A)</p> Signup and view all the answers

    In a linear equation, what does the slope describe?

    <p>The steepness of the line (C)</p> Signup and view all the answers

    What is the characteristic of an identity function in mathematics?

    <p>The output is always the same (A)</p> Signup and view all the answers

    In a linear equation, when lines are parallel, what is true about their slopes?

    <p>The slopes are the same (A)</p> Signup and view all the answers

    What is the equation of a constant function?

    <p>$f(x) = 7x$ (D)</p> Signup and view all the answers

    What do you need to graph a straight line using the slope-intercept form?

    <p>Both the slope and y-intercept (C)</p> Signup and view all the answers

    What does the slope in a linear equation represent?

    <p>The rate of change (D)</p> Signup and view all the answers

    What is the standard form of a linear equation?

    <p>$ax + by = c$ (B)</p> Signup and view all the answers

    What does a constant function look like on a graph?

    <p>Horizontal line at $y = c$ (C)</p> Signup and view all the answers

    What happens to the output of a constant function as the input changes?

    <p>It remains constant (C)</p> Signup and view all the answers

    What is the key difference between linear and nonlinear functions?

    <p>Linear functions have a constant slope, while nonlinear functions have a changing slope. (D)</p> Signup and view all the answers

    What does a slope of zero indicate in the context of linear functions?

    <p>The line is horizontal. (D)</p> Signup and view all the answers

    What does the x-intercept represent on a graph?

    <p>The spot where the line intersects the x-axis. (C)</p> Signup and view all the answers

    How can you find the y-intercept of a linear function?

    <p>Substitute x = 0 into the equation and solve for y. (D)</p> Signup and view all the answers

    What does the distance formula help calculate?

    <p>The distance between two points on a plane. (C)</p> Signup and view all the answers

    Which mathematical theorem is used to derive the distance formula?

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

    What type of equations do pirates solve according to the text?

    <p><em>Linear</em> equations (B)</p> Signup and view all the answers

    What is the key characteristic of a linear function when plotted on a graph?

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

    What is the distinguishing feature of polynomials that produce linear graphs?

    <p>Exponent of x is equal to 1 (B)</p> Signup and view all the answers

    What does a slope of zero indicate in terms of the distance between points on a graph?

    <p>Only horizontal distance (D)</p> Signup and view all the answers

    How can the x-intercept of a line be defined mathematically?

    <p>$y = 0$ (B)</p> Signup and view all the answers

    What is the purpose of using the distance formula in mathematics?

    <p>To find the hypotenuse of a triangle (D)</p> Signup and view all the answers

    Which type of equation represents a curved graph rather than a straight line?

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

    What is the significance of a nonlinear function's slope?

    <p>It changes continuously (A)</p> Signup and view all the answers

    How are x- and y-intercepts defined mathematically in linear equations?

    <p>$x = 0$ for x-intercept, $y = 0$ for y-intercept (D)</p> Signup and view all the answers

    When using the slope formula, what does an undefined slope imply?

    <p>$\infty$ distance between points (D)</p> Signup and view all the answers

    In mathematics, what is an expression that defines the relationship between an input and an output called?

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

    What is the domain of a function?

    <p>Set of all possible inputs (D)</p> Signup and view all the answers

    What defines the relationship of an input and an output in mathematics?

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

    Which quadrant contains points with a negative x-coordinate and a positive y-coordinate?

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

    What does the slope of a line represent in the context of linear functions?

    <p>Degree of slant (D)</p> Signup and view all the answers

    What is the relationship between the x- and y-coordinates in a coordinate pair?

    <p>X-coordinate is added to the y-coordinate (C)</p> Signup and view all the answers

    What is the key difference between linear and nonlinear functions?

    <p>Nonlinear functions do not have a constant rate of change (B)</p> Signup and view all the answers

    What is the characteristic of an identity function in mathematics?

    <p>Maps every element to itself (C)</p> Signup and view all the answers

    'Younger students will also know function tables as?'

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

    What type of equations do pirates solve according to the text?

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

    Where does a point lie if the x-coordinate is positive and the y-coordinate is negative?

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

    What happens to the output value of a linear function if the x-coordinate remains constant?

    <p>It remains constant (D)</p> Signup and view all the answers

    Which quadrant contains points where the x-coordinate is negative and the y-coordinate is positive?

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

    If both coordinates of an ordered pair are negative, where would the point lie on the Cartesian graph?

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

    What aspect of a point do the y-coordinates describe in the Cartesian coordinate system?

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

    Which quadrant of the Cartesian graph contains points with both positive x- and y-coordinates?

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

    In the Cartesian coordinate system, where are points located if both coordinates are positive?

    <p>They lie in Quadrant I (D)</p> Signup and view all the answers

    What is the standard form of a linear equation?

    <p>ax + by = c (D)</p> Signup and view all the answers

    In a linear equation, which relationship best describes the slopes of parallel lines?

    <p>Their slopes are equal. (D)</p> Signup and view all the answers

    What is the primary purpose of the elimination method in solving systems of linear equations?

    <p>To eliminate one variable by adding or subtracting equations. (A)</p> Signup and view all the answers

    What is the key characteristic of an identity function in mathematics?

    <p>The input and output are the same. (D)</p> Signup and view all the answers

    How does the slope-intercept form aid in graphing linear equations?

    <p>It explicitly lists the slope and y-intercept. (C)</p> Signup and view all the answers

    In linear equations, what does a slope of zero indicate?

    <p>The line is horizontal. (A)</p> Signup and view all the answers

    What describes a constant function in mathematics?

    <p>The function has a fixed output regardless of input. (A)</p> Signup and view all the answers

    How does the point-slope form of a linear equation differ from the slope-intercept form?

    <p>It uses a specific point and slope to represent the line. (D)</p> Signup and view all the answers

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