Module 11 Review

What are the coordinates for the center of dilation?

• (3, 0)

• (0, 0)

• (3, 1)

• (3, -2)

Choose the correct scale factor:

• 2
• 3
• 1/3
• 1/2

Which algebraic expression could be the rule for a reduction?

• (x, y)→(2x, 2y)
• (x, y)→(5/2 x, 5/2 y)
• (x, y) →(0.5x, 0.5y)
• (x, y)→(5x, 5y)

Find the value of X.

• 4

• 6

• 12

• 7

Tags

CCSS.HSG.SRT.A.2

• 7

• 12

• 6

• 4

Tags

CCSS.7.EE.B.3

CCSS.7.EE.B.4

CCSS.7.RP.A.2

CCSS.7.RP.A.3

Complete each proportion.
AB / BM  =  ? / CD

• BC
• AC
• MD
• MC

The triangles are similar, solve for the question mark.

• 8
• 12.5
• 18
• 24

Dilate the figure by a scale factor of 3 with the origin as the center of dilation. What are the coordinates of the image?
A(3,3) B(6,6) C(9,3)

• A'(9,9) B'(18,18) C'(27,9)
• A'(6,6) B'(9,9) C'(12,6)
• A'(0,0) B'(3,3) C'(6,0)
• A'(1,1) B'(2,2) C'(3,1)

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)

If CC'= 2 and OC' = 8 what is the scale factor of the dilation?

• 1/4

• 5/4

• 4/5

• 4