Unit 2 Post Assessment Review

What is the length of line segment Q'R'?

• 3

• 6

• 7

• 14

Tags

CCSS.8.G.A.1

CCSS.8.G.A.2

An equilateral triangle with side lengths of 7 units is translated 3 units to the right. What is the length of one side of the triangle after the translation, in units?

Tags

CCSS.8.G.A.1

CCSS.8.G.A.2

Tags

CCSS.8.G.A.1

CCSS.8.G.A.2

Figure R is ​ (a)   to Figure P because Figure R is obtained by dilating Figure P by a scale factor of​ (b)   with the origin as the center of dilation and then shifting it up 8.

• similar
• not similar
• 4

Tags

CCSS.8.G.A.3

CCSS.8.G.A.4

A triangle has coordinates R (2, -1), S (3, 3), and T (4, 6). The triangle is dilated by a scale factor of 1.5 with the origin as the center of dilation. What is the x-coordinate of R' in the dilated triangle?

Tags

CCSS.8.G.A.3

CCSS.8.G.A.4

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• 
• 
• 

Tags

CCSS.8.G.A.1

CCSS.8.G.A.3

CCSS.8.G.A.4

Which scale factor was used to create Figure A' B' C' D' ?

• 2

• 4

Tags

CCSS.8.G.A.1

CCSS.8.G.A.3

CCSS.8.G.A.4

Triangle ABC has Points A, B, and C located at (3, 6), (-2, -2), and (6, -4), respectively. Triangle ABC's dilated image A'B'C' has Point A' located (1, 2). What is the scale factor?

Tags

CCSS.8.G.A.3

CCSS.8.G.A.4

Parallelogram A'B'C'D' is formed by ​ (a)   Parallelogram ABCD over the ​ (b)   .

• reflecting
• y-axis
• x-axis
• 2 units up
• 2 units down
• 4 units left
• 4 units right
• translating
• rotating

Tags

CCSS.8.G.A.1

CCSS.8.G.A.2

CCSS.8.G.A.3

CCSS.8.G.A.4

• a rotation

• a translation

• a dilation that makes any give figure larger

• a dilation that makes any give figure smaller

Tags

CCSS.8.G.A.3