Quiz 4.2 PAP Geom. Rotation & Dilation 2nd Period

Dilate Point B by a scale factor of 3:

• (12,0)
• (12,12)
• (4,3)
• (0,12)

Tags

CCSS.8.G.A.3

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

A dilation with a scale factor k>1 is called what?

(a)  

Tags

CCSS.8.G.A.3

If you were to rotate ABCD 180°  about the origin, what would the coordinate of A' be?

• (-5, 5)
• (-3, -5)
• (-5, 3)
• (-3, 3)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

a dilation with a scale factor 0<k<1 is called what?

(a)  

Tags

CCSS.8.G.A.3

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

How many degrees was the figure rotated?

• 90 degrees counterclockwise 
• 180 degrees
• 270 counterclockwise 
• 90 degrees clockwise

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

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

The point M (4, -5) is rotated 90° around the origin. What are the new coordinates of M'?

• (5, 4)

• (-4, 5)

• (-5, -4)

• (4, -5)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

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