Unit 2 Graphing

The horizontal number line is called the _____________?

• y-axis

• y-coordinate

• x-axis

• x-coordinate

Ordered pair (-4, -4) would lead you to which plot point?

• H

• L

• I

• K

How do you write an ordered pair?

• (X,X)
• (Y,X)
• (X,Y)
• (Y,Y)

Where is point E located?

• ( 2, 0 )
• ( 2 , 2 )
• ( 0 , 2 )
• ( 0 , 0 )

What does this show?

• reflection over the y-axis
• reflection over the y-coordinate
• reflection over the x-axis 
• reflection over the x-coordinate

Find the distance between the two ordered pairs.

• 5
• 6
• 7
• 10

Find the distance between the two ordered pairs.

• 12
• -8
• 8
• 10

What is the reflection of R (-1, 6) over the y-axis?

• R'(1, 6)
• R'(6, 1)
• R' (-1, 6)
• R' (-6, 1)

What is the reflection of D (4, 3) over the y-axis?

• D' (3, 4)
• D' (-3, -4)
• D (-4, 3)
• D (-4, -3)

Evaluate each expression.
| 9 |

• 0.9
• 9
• -9
• 90