Coordinate Plane Basics
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Questions and Answers

What is the importance of learning about points on the coordinate plane?

  • It is only used in math classes.
  • It is a useless topic in mathematics.
  • It is only used for plotting graphs.
  • It has many applications in real-world scenarios, such as on maps. (correct)

    • What do the values on the x-axis represent as we move to the right?

  • They remain the same.
  • They get smaller.
  • They get higher. (correct)
  • They become negative.

    • What is the purpose of the two numbers in an ordered pair?

  • Both numbers tell us the x-axis value.
  • The first number tells us the x-axis value, and the second number tells us the y-axis value. (correct)
  • The first number tells us the y-axis value, and the second number tells us the x-axis value.
  • Both numbers tell us the y-axis value.

    • Where is the point (3, 4) located on the coordinate plane?

    <p>Three spaces to the right and four spaces up.</p> Signup and view all the answers

    How many points can have the same x- and y-axes values?

    <p>Only one point.</p> Signup and view all the answers

    What does the first number in an ordered pair indicate in a coordinate plane?

    <p>The number of spaces to the right of the center</p> Signup and view all the answers

    What is the location of the point (2, -4) in a coordinate plane?

    <p>Two spaces to the right and four spaces down from the center</p> Signup and view all the answers

    What do negative numbers in an ordered pair indicate in a coordinate plane?

    <p>The point is located to the left and down from the center</p> Signup and view all the answers

    Where is the point (0, 0) located in a coordinate plane?

    <p>At the center of the coordinate plane</p> Signup and view all the answers

    What is the location of the point (-3, 2) in a coordinate plane?

    <p>Three spaces to the left and two spaces up from the center</p> Signup and view all the answers

    Study Notes

    The Coordinate Plane

    • The coordinate plane is a 2-dimensional surface with an x-axis and a y-axis.
    • It is used in many applications, including math classes and real-world scenarios like maps.

    Understanding the Axes

    • The x-axis is a horizontal line, where values increase as you move to the right and decrease as you move to the left.
    • The y-axis is a vertical line, where values increase as you move up and decrease as you move down.
    • The point where the x-axis and y-axis intersect is the center of the graph, represented by the point (0, 0).

    Ordered Pairs

    • An ordered pair is a pair of numbers used to identify a point on the coordinate plane.
    • The first number in an ordered pair represents the x-axis value, and the second number represents the y-axis value.
    • The point (0, 0) is the center of the coordinate plane, where both the x-axis and y-axis values are 0.

    Plotting an Ordered Pair

    • To plot a point on the coordinate plane, first identify the x-axis value, then the y-axis value.
    • Only one point can have the same x- and y-axes values.
    • Example: The point (1, 3) is located one space to the right of the center and three spaces up.

    Plotting with Negative Numbers

    • When plotting a point with negative numbers, the point is located to the left and down of the center.
    • Example: The point (-1, -3) is located one space to the left of the center and three spaces down.

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    Description

    Learn about the coordinate plane, its axes, and how to understand their values. Used in math classes and real-world applications.

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