8th Grade Mixed Review

A dilation produces a similar figure

• True

• False

Does the image show a dilation?

• Yes
• No

What scale factor was used to produce the image?

• 2
• -2
• ¹/₂
• 1

State the coordinate of the image of the given point B (-10,-6) under a dilation with center at the origin with the given scale factor k = 1/2.

• (5,3)
• (20,12)
• (-20,-12)
• (-5,-3)

The point A (8, 12) was dilated to become point A' (2, 3). What was the scale factor?

• ½

• ¼

• 4

• 2

Translate the blue shape to the pink shape...

• 5 Right

  2 Down

• 5 Left

  2 Up

• 3 Right

  1 Down

• 3 Left

  1 Up

Translate the blue shape to the green shape...

• 4 Down

• 4 Up

• 3 Down

• 3 Up

Translate shape A to shape B...

• 5 Right

  3 Up

• 5 Left

  3 Down

• 3 Right

  3 Up

• 3 Left

  3 Down

What is this transformation?
(x, y) ----> (-x, y) 

• Reflect over the x axis
• Reflect over the y-axis
• Slide down 1
• slide left 1

Find K' if the figure is reflected across the x-axis

• (4, 1))
• (-1, -4)
• (1, -4)
• (1, 4)