Grade 8 | Unit 2: Dilations, Similarity, and Introducing Slope | End-of-Unit Assessment (A)

Select all the true statements.

• Dilations increase the measure of angles.

• Dilations of an angle are congruent to the original angle.

• Dilations take perpendicular lines to perpendicular lines.

• Dilations of a triangle are similar to the original triangle.

• Dilations always increase the length of line segments.

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8.G.A

Which pair of triangles must be similar?

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8.G.A.5

• A

• B

• C

• D

• E

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8.EE.B.6

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

• B

• C

• D

• E

• F

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8.G.A.4

Choose one of the polygons that are similar to Polygon A, and describe a sequence of transformations that take Polygon A to the selected polygon.

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8.G.A.4

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8.G.A.4

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8.G.A.4

All of the points in the picture are on the same line.
Find the slope of the line. Explain or show your reasoning.

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8.EE.B.6

Write an equation for the line.

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8.EE.B.6

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8.EE.B.6