Unit 7 Review

Solve for X.

• 2 ft
• 3 ft
• 4 ft
• 6 ft

Tags

CCSS.HSG.SRT.A.2

Suppose a triangle with the vertices A(–2, 4), B(–1, –3), and C(4, –2) were dilated, with the center of dilation at the origin and with a scale factor of 2. What will be the coordinates of C'?

• (2, -1)
• (8, -4)
• (8, 4)
• (2, 1)

Tags

CCSS.8.G.A.3

What is this picture an example of? 

• An angle
• A cat vertex 
• Rotation 

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

What transformation is happening to the red triangle to get to the blue triangle?

• Translation
• Rotation
• Reflection

Tags

CCSS.HSG.CO.A.2

Which similarity transformation maps WXYZ to W'X'Y'Z'?

• Reflection in the x-axis, followed by a dilation with a scale factor of 2 

•  Reflection in the y-axis, followed by a dilation with a scale factor of 2 

• Reflection in the y-axis, followed by a dilation with a scale factor of  $\frac{1}{2}$ 

• Reflection in the x-axis, followed by a dilation with a scale factor of  $\frac{1}{2}$   

Tags

CCSS.8.G.A.4

CCSS.HSG.SRT.A.2

A triangle has vertices with coordinates (2,0), (3, -1) and (-2,-5). If the triangle is dilated by a scale factor of 3 with the origin as the center of dilation, what are the coordinates of the vertices of the image?

• (5,3), (6,2), (1,-2)

• (6,0), (9,-3), (-6,-15)

• (2/3,0), (1,-1/3), (-2/3,-5/3)

• (-1,-3), (0,-4), (-5,-8)

Tags

CCSS.8.G.A.3

Similar figures must have

• Proportional sides and equal angles

• Equal sides and equal angles

• Proportional sides and the same number of angles

• Similar looking shapes

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6