Quiz about Similar Figures and Slope

Question 1

Question 1.

Accepted Answer

Dilations take perpendicular lines to perpendicular lines.

Accepted Answer

Dilations of an angle are congruent to the original angle.

Accepted Answer

Dilations of a triangle are similar to the original triangle.

Answer

Dilations always increase the length of line segments.

Answer

Dilations increase the measure of angles.

Question 2

Question 2.

Accepted Answer

B

Accepted Answer

C

Accepted Answer

E

Answer

D

Answer

F

Question 3

Hint: Remember OD x SF = DD (find the scale factor)

Accepted Answer

2.68

Answer

8

Answer

12.5

Answer

0.67

Question 4

Find the length of EF.

Accepted Answer

2.01

Answer

0.67

Answer

12.01

Answer

4

Question 5

Match the graph

Accepted Answer

Option A is correct

Answer

B.

Answer

C.

Answer

D.

Question 6

What is the slope?

Accepted Answer

Positive

Answer

Negative

Answer

Zero

Answer

No Slope

Question 7

Find the slope of the line.

Accepted Answer

3

Answer

1/2

Answer

2

Answer

3/2

Question 8

Which of these lines has a slope of 5/2?

Accepted Answer

A

Answer

B

Answer

C

Question 9

Identify the slope (AC) of triangle ABC.

Accepted Answer

-1/2

Answer

2

Answer

1/2

Answer

-2

Question 10

What is the slope in the picture?

Accepted Answer

Positive

Answer

Negative

Answer

Zero

Answer

Undefined

Question 11

What is the slope in the picture?

Accepted Answer

Negative

Answer

Positive

Answer

Zero

Answer

Undefined

Question 12

Solve for X

Accepted Answer

X = 2

Answer

X = 4

Answer

X = 8

Answer

X = 32

Question 13

Using a proportion, find the height of the tree.

Accepted Answer

x = 16 ft.

Answer

x = 0.0625 ft.

Answer

16 ft

Question 14

Sides in similar figures must be proportional.

Accepted Answer

True

Answer

False

Question 15

To find the height of a very tall pine tree, you place a mirror on the ground and stand where you can see the top of the pine tree. How tall is the tree?

Accepted Answer

72 feet

Answer

144 feet

Answer

36 feet

Question 16

Are the triangles similar?

Accepted Answer

Yes, the triangles are similar because two angles are the same.

Answer

No, the triangles are not similar because there is no two congruent angles.

Question 17

Describe the dilation that takes figure ABC to figure A'B'C.

Accepted Answer

Center of Dilation = P
Scale factor = 1/2

Answer

Center of Dilation = C
Scale factor = 1/2

Answer

Center of Dilation = P
Scale factor = 2

Answer

Center of Dilation = C
Scale Factor = 2

Question 18

Find the slope:

Accepted Answer

4/3

Answer

3/4

Answer

3

Answer

4

Question 19

Use the similar slope triangles to determine the slope of the line.

Accepted Answer

2/3

Answer

3/2

Answer

-2/3

Answer

-3/2

Question 20

Find the slope of the line below

Accepted Answer

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

Answer

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

Answer

3

Answer

$$\frac{1}{3}$$

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