Proportions and Dilations

• CD

• AC

• DC

• AD

Tags

CCSS.HSG.SRT.B.4

• CB

• AC

• MA

• MD

Tags

CCSS.HSG.SRT.B.4

Let triangle XYZ be the dilated image of triangle ABC with a scale factor of k = 3. Which of the following is the correct center of dilation?

• (0, 0)

• (4, 1)

• (-5, 5)

• (1, 4)

Tags

CCSS.8.G.A.3

If two figures are similar, the corresponding sides are ______________.

• equal

• congruent

• proportional

• none of these

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

The pair of figures is similar. Find the missing side.

• x = 9

• x = 28

• x = 7

• x = 63

Tags

CCSS.HSG.SRT.A.2

A scale factor of less than one means

• that the image will be larger than the pre-image.

• That the image will be the same as the pre-image.

• That you need to subtract that amount off  of each side.

• That the image will be a reduction of the pre-image.

Tags

CCSS.8.G.A.3

What is the value of X?

• X=4

• X=6

• X=3

• X=2

Tags

CCSS.HSG.SRT.A.2

Given triangle ABC is a dilated image of triangle JKL, the pre-image, with a scale factor of 4, which of the following proportions are true? Select all that apply.

Tags

CCSS.7.G.A.1

• BC

• AC

• MD

• MC

Tags

CCSS.HSG.SRT.B.4

Find y.

• 144

• 18

• 72

• 12

Tags

CCSS.HSG.SRT.B.4