Number Lines and Coordinate Planes

What are the names of the axes on a coordinate plane?

• A. x and y axes

• B. c and d axes

• C. n and m axes

• D. s and r axes

How many quadrants are in a coordinate plane?

• A. 3

• B. 5

• C. 4

• D. 6

The set of numbers that describes a point is called an ____________. (For example: (4, -3)

• A. number set

• B. ordered pair

• C. array

• D. ordered number

What is the ordered pair for Point A in the coordinate plane?

• A. (-6, 4)

• B. (4, -6)

• C. (4, -5)

• D. (-5, 4)

Which number is the x-coordinate?

• A. 4

• B. -6

When plotting an ordered pair on a coordinate plane, which axis do you move across first?

• A. y-axis

• B. x-axis

Which of the following is the correct way to plot a point?

• A. Start at the origin. Move along the x-axis, (left or right), then, move along the y axis, (up or down)

• B. Start at the origin. Move along the y-axis, (up or down), then, move along the x-axis, (left or right)

• C. Start at any number on the x-axis and move (left or right), then, move along the y axis, (up or down)

Can you write an ordered pair in any order that you want, or does order matter?

• Yes

• No

Which of the following statements correctly explains how to plot the point shown on the coordinate plane?

• A. Start at the origin. Move 6 spaces to the left on the x-axis. Then, move 4 spaces up on the y-axis.

• B. Start at the origin. Move 6 spaces to the right on the x-axis. Then, move 4 spaces down on the y-axis.

• C. Start at any number on the x-axis. Move 6 spaces to the left on the x-axis. Then, move 4 spaces up on the y-axis.

• D. Start at the origin. Move 6 spaces up on the y-axis. Then, move 4 spaces to the left on the x-axis.

Points plotted on the y-axis always have the x-coordinate number ______.

• A. -2

• B. -5

• C. 0

• D. -1