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Similarity and Slope

Authored by Arlene McQueen

Mathematics

8th Grade

CCSS covered

Used 51+ times

Similarity and Slope
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16 questions

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1.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

All angles in similar figures are congruent.  

True
False

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

The measures of the angles in a triangle are 53⁰,78⁰, and 49⁰.  A similar triangle is created by using a dilation with a scale factor of 2.  What are the measures of the angles of this triangle?

53⁰,78⁰, and 49⁰
There is not enough information to answer this question.
106⁰,156⁰, and 98⁰
26.5⁰,39⁰, and 24.5⁰

Tags

CCSS.8.G.A.3

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

Are the triangles similar?

Yes
No

Tags

CCSS.HSG.SRT.A.2

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

What scale factor was used to produce the image?

2
-2
1/2
1

Tags

CCSS.HSG.CO.A.2

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The point (2, 3) was dilated to become point (8, 12). What was the scale factor?

½

¼

4

2

Tags

CCSS.8.G.A.3

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Media Image

Triangle ABC is dilated using center (0, 0) and a scale factor of 2. Where is the image of Point C?

(12,0)

(12,12)

(4,3)

(6,4)

Tags

CCSS.8.G.A.3

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

Triangle ABC was dilated using (0, 0) as center, creating triangle A'B'C'. What scale was used?

2

1/2

1/3

1/4

Tags

CCSS.8.G.A.3

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