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Unit 2 End of Unit Assessment

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Last updated over 7 years ago
23 questions
Note from the author:
Open Up Resources Illustrative Mathematics Grade 8
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Question 1
1.

Select all true statements.

Question 2
2.

Which pair of triangles must be similar?

Question 3
3.

Select all lines that have a slope of:


Question 4
4.

Here are some polygons.
Which of Polygons B, C, D, E, and F are similar or congruent to Polygon A?

Question 5
5.

Choose one of the polygons that are similar but not congruent to Polygon A.
Describe a sequence of transformations that take Polygon A to the select polygon. Be specific!

Question 6
6.

Triangles ABC and DEF are similar. Find the length of segment DF.

Question 7
7.

Triangles ABC and DEF are similar. Find the length of segment EF.

Question 8
8.

All of the points in the picture are on the same line.
What is the slope of the line? Reduce as much as possible.

Question 9
9.

All of the points in the picture are on the same line.
What is the value of a?

Question 10
10.

All of the points in the picture are on the same line.
What is the value of b?

Question 11
11.

A car traveled at a constant speed. The graph shows how far the car traveled, in miles, during a given amount of time, in hours.

Is the point (1, 60) on this graph? Explain how you know.

Question 12
12.

Dilate A using P as the center of dilation and a scale factor of 3. Label the new point A′.
Dilate B using P as the center of dilation and a scale factor of 2. Label the new point B′.

Question 13
13.

Draw the image of rectangle ABCD under dilation using center P and scale factor one-half. Label and connect the new points!

Question 14
14.

Are rectangles ABCD and EFGH similar? Explain how you know.

Question 15
15.

What is the slope of this line?
Reduce as much as possible. Write your answer as a fraction.

Question 16
16.

What must
equal?

Reduce as much as possible. Write your answer as a fraction.

Question 17
17.

Triangles ABC, EFD, and GHI are all similar. The side lengths of the triangles all have the same units.
What is the length of h?

Question 18
18.

Triangles ABC, EFD, and GHI are all similar. The side lengths of the triangles all have the same units.
What is the length of c?

Question 19
19.

Triangles ABC, EFD, and GHI are all similar. The side lengths of the triangles all have the same units.
What is the sum of e+d?

Question 20
20.

Here is line segment DE and its image D′E′ under a dilation.
Approximately what was the center of dilation? Label it F.
Approximately what was the scale factor?

Question 21
21.

Lines with the same slope are...

Question 22
22.

Which line has a slope of 2?

Question 23
23.

Which line has a slope of 1?