Dilations & Similar Figures

AB is dilated to form A'B'. If AB = 7, and A'B' = 21, what is the scale factor?

• 3

• 1/3

• -3

• 14

Tags

CCSS.8.G.A.3

Which scale factor below would create a larger image?

• -300

• 8

• 1/8

• 1/100

Tags

CCSS.7.G.A.1

AB is dilated by a scale factor of 3 to produce A'B'. If A'B'=6, what is AB?

• 3

• 2

• 18

• 9

Tags

CCSS.8.G.A.3

Figure A is a dilation of Figure B. What is the scale factor?

• 5

• 1/5

• 2/5

• 5/2

Tags

CCSS.8.G.A.3

Figure A is a dilation of Figure B. What is the scale factor?

• 7

• 3/2

• 2/3

• 1/7

Tags

CCSS.8.G.A.3

The figures above are similar. Complete the proportion.

• $\frac{x+1}{9}$

• $\frac{9}{x+1}$

• $\frac{63}{9}$

• $\frac{x+1}{56}$

Tags

CCSS.HSG.SRT.A.2

The figures above are similar. Complete the proportion.

• $\frac{12}{18}$

• $\frac{18}{2x+7}$

• $\frac{2x+7}{18}$

• $\frac{2x+7}{12}$

Tags

CCSS.HSG.SRT.A.2

The figures above are similar. Complete the proportion.

•  $\frac{21}{63}$  

•  $\frac{45}{x+2}$  

•  $\frac{x+2}{45}$  

•  $\frac{21}{x+2}$  

Tags

CCSS.HSG.SRT.A.2

Find the value of v.

Tags

CCSS.7.G.A.1

Find the value of x.

Tags

CCSS.5.MD.A.1