Rotations & Dilations Quiz Review

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

• ½
• ¼
• 4
• 2

Tags

CCSS.8.G.A.3

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

Identify the transformation from A to D.

• 90^o Rotation

• 180^o Rotation

• 270^o Rotation

• 360^o Rotation

Tags

CCSS.HSG.CO.B.6

A transformation that “turns” a figure about a fixed point at a given angle and a given direction.

• reflection
• translation
• rotation
• dilation

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

What Transformation is visible?

• Reflection
• Translation
• Rotation
• Dilation

Tags

CCSS.8.G.A.3

A projector transforms the image on a computer screen so that it is dilated by a scale factor of  $\frac{7}{2}$  .  If the original image on the screen is 10 inches wide, find the new width after it is projected on the wall.

•  $\frac{7}{20}$  inches

• 70 inches

• 20 inches

• 35 inches

Tags

CCSS.7.G.A.1

A triangle with side lengths 3, 5, 7 is enlarged by a scale factor of 8. What are the side lengths of the enlarged triangle?

• 24, 40, 56

• 11, 13, 15

• 5, 3, 1

• 10, 12, 14

Tags

CCSS.7.G.A.1

How many degrees does this shape rotate about the origin?

• 90°

• 180°

• 270°

• 360°

Tags

CCSS.HSG.CO.B.6

If ABCD were rotated 270 degrees, where would A' be?

• $A'(1,4)$

• $A'(-1,-4)$

• $A'(4,-1)$

• $A'\left(-4,1\right)$
  

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Identify the rule after a 180° COUNTER CLOCKWISE.

(x, y) ---> ___________

• ( -x, -y)

• ( -y, x)

• ( -x, y)

• (y, -x)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5