11/5 DILATION QUIZ

A dilation is which of the following: 

• An enlargement
• A reduction
• Either an enlargement or a reduction
• Neither an enlargement or a reduction

Tags

CCSS.8.G.A.3

If a dilation produces a congruent figure, then the scale factor was equal to _____.

• 1/2
• 2
• 10
• 1

Tags

CCSS.8.G.A.3

If the scale factor is greater than one, the new figure will be

• a reduction
• an enlargement
• a scale
• not proportional

Tags

CCSS.8.G.A.3

If the scale factor is less than one, the new figure will be

• an enlargement
• a reduction
• a scale factor
• bigger

Tags

CCSS.8.G.A.3

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(1,3) B(-2,4) C(5,-7)

• A'(3,9) B'(1,8) C'(10,-4)

• A'(4,6) B'(1,7) C'(8,-4)

• A'(1,3) B'(-2,4) C'(5,-7)

• A'(3,9) B'(-6,12) C'(15,-21)

Tags

CCSS.8.G.A.3

Triangle ABC will be dilated by a scale factor of 1/2. What will be the coordinates of C'?

• (-1, -2.5)

• (12, 6)

• (3, -1.5)

Tags

CCSS.8.G.A.3

What scale factor was used to produce the image?

• 2
• -2
• ¹/₂
• 1

Tags

CCSS.8.G.A.3

Dilate Point B by a scale factor of 3:

• (12,0)
• (12,12)
• (4,3)
• (0,12)

Tags

CCSS.8.G.A.3

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)

Tags

CCSS.8.G.A.3

Dilate the figure by a scale factor of 1/2  with the origin as the center of dilation. What are the coordinates of the image?
A(12,4) B(6,6) C(10,2)

• A'(9,9) B'(18,18) C'(27,9)

• A'(6,2) B'(3,3) C'(5,1)

• A'(0,0) B'(3,3) C'(6,0)

• A'(1,1) B'(2,2) C'(3,1)

Tags

CCSS.8.G.A.3