Functions from Ordered Pairs and Mapping

In the coordinate points (2,7) the 2 represents

• y
• origin
• x
• point

How do you write an ordered pair?

• (X,X)
• (Y,X)
• (X,Y)
• (Y,Y)

In the ordered pair (4,9), which number is the y-coordinate?

• 4
• 9
• neither
• both

What is coordinate L?

• (6,6)
• (2,5)
• (2,3)
• (5,2)

Ordered pair (0,0) is also known as the ___.

• y-axis
• x-axis
• origin

What letter is located at (8, 5)?

• A
• B
• C
• D

In what order to you follow ordered pairs?

• vertex first then y
• y first then x
• none of these
• x first then y

The __ - axis is vertical in the coordinate plane.

• X
• Y
• Z
• None of the above

What is the ordered pair of point E?

• (2,5)
• (5,2)
• (-5,2)
• (5,-2)

What is coordinate R?

• (2,5)
• (0,1)
• (2,3)
• (1,0)