Dilations Perimeter and Area

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

Does the image show a dilation?

• Yes

• No

Tags

CCSS.HSG.CO.A.2

If k=1.25 (k is scale factor), then a dilation will result in a(n)______

• reduction

• enlargement

• scale factor

• center of dilation

Tags

CCSS.8.G.A.3

Find the measure of x:

• 6

• 24

• 33

• 36

Tags

CCSS.HSG.SRT.A.2

The __________ is the ratio of a length of the image to the corresponding length on the original figure.

• reduction

• enlargement

• scale factor

• center of dilation

Tags

CCSS.7.G.A.1

A dilation can produce a smaller figure or a(n)______

• reduction

• enlargement

• scale factor

• center of dilation

Tags

CCSS.8.G.A.3

Which of the following are Dilations?

• (x, y) → (x, 3y)

• (x, y) → (3x, 3y)

• (x, y) → (x, y - 3)

• (x, y) → (.5x, .4y)

Tags

CCSS.8.G.A.3

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

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