Quiz about Proportions Dilations and Similar Figures

Question 1

A ~ B. What is the scale factor of the dilation of A to B?

Accepted Answer

$$\frac{4}{3}$$

Answer

$$\frac{3}{4}$$

Answer

3

Answer

4

Question 2

Dilations-Finding the Scale Factor ABC ~ XYZ. What is the scale factor of the dilation of ABC to XYZ?

Accepted Answer

$$\frac{2}{3}$$

Answer

$$\frac{3}{2}$$

Answer

2

Answer

3

Question 3

Set Up and Solve Proportions Solve for y. \frac{1.2}{1.5}=\frac{y}{5}

Accepted Answer

y=4

Answer

y=5

Answer

y=2

Answer

y=3

Question 4

Set Up and Solve Proportions Alice earned $20 in 3 hours. At the same rate, what would Alice make in 8 hours?

Accepted Answer

$53.33

Answer

$7.50

Answer

$33.66

Answer

$48.72

Question 5

Determine if Triangles are Similar

Are these triangles similar?

If so how?

Accepted Answer

Yes, by SSS

Answer

Yes, by AA

Answer

Not Similar

Question 6

Determine if Triangles are Similar

Are these triangles similar?

If so, how?

Accepted Answer

Yes, by AA

Answer

Yes, by SSS

Answer

Not Similar

Question 7

Determine if Triangles are Similar

Are these triangles similar?

If so, how?

Accepted Answer

Not Similar

Answer

Yes, by AA

Answer

Yes, by SSS

Question 8

Solving for Missing Pieces

Find side length X.

Accepted Answer

x=15

Answer

x=21

Answer

x=18

Answer

x=3

Question 9

Solving for Missing Pieces

Find side length X.

Accepted Answer

x=25

Answer

x=15

Answer

x=100

Answer

x=30

Question 10

Dilations-Perform Dilations

State the coordinate of the image of the given point B (4,9) under a dilation with center at the origin with the given scale factor of 2.

Accepted Answer

B' (8 ,18)

Answer

B' (2 , 4.5)

Answer

B' (-8 ,-18)

Answer

B' (9 ,4)

Question 11

Triangle CDE is dilated using center C, and the new image is triangle CAB. What do you know about angle 1 and angle 2?

Accepted Answer

They are the same measure

Answer

They are both divisible by 2

Answer

They get bigger

Answer

They get smaller

Question 12

Complete the proportion.

Accepted Answer

CD

Answer

BM

Answer

AD

Answer

BC

Question 13

Complete the proportion.

$$\frac{MD}{BC}=\frac{?}{AC}$$

Accepted Answer

AD

Answer

CD

Answer

AC

Answer

DC

Question 14

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

Accepted Answer

x = 10

Answer

x = 4

Answer

x = 2

Answer

x = 5

Question 15

Question 15.

Accepted Answer

12

Answer

4

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