Areas of Dilations

What is the scale factor used to dilate the small square to the larger square given there areas?

• 4

• 16

• 3

• 12

Tags

CCSS.7.G.A.1

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

• ½

• ¼

• 4

• 2

Tags

CCSS.8.G.A.3

If a rectangle is drawn and another rectangle is drawn so that the sides are twice as big as the first rectangle, what happens to the area?

• doubles

• triples

• quadruples

• not enough information

Tags

CCSS.7.G.A.1

What is the scale factor if the smaller rectangle is the original rectangle?

• 4

• 25

• 5

• 6

Tags

CCSS.7.G.A.1

True of False: When you shrink a figure, you multiply by a fraction. 

• true

• false

Tags

CCSS.8.G.A.3

True of False: When you expand a figure, you multiply by a whole number. 

• true

• false

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'(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)

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

Choose the correct scale factor:

• 2

• 3

• 1/3

• 1/2

Tags

CCSS.HSG.CO.A.2

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

• ½

• ¼

• 4

• 2

Tags

CCSS.8.G.A.3