1/20 QUIZ

Describe the transformations that map ABC onto A"B"C"

• translate 5 up and 1 left then reflect over y
• translate 5 down and 1 left, then reflect over y
• reflect over y=x then translate left 8
• reflect over x then rotate 90 clockwise

Tags

CCSS.8.G.A.3

Find the image of A( -3, 5) after translating (x,y) --> (x , y-4) then reflecting across the y-axis

• (3,1)

• (3, -1)

• (-1, 5)

• (-1, 3)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

What are the coordinates of point A' , the image of point A(-4, 1) after the composite transformation R₉₀ (rotation 90 ccw about origin) then r_{y= -x} (reflection over diagonal line y= -x)?

• (-1, -4)

• (-4, -1)

• (1, 4)

• (4, 1)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

The coordinates of triangle JRB are ,J(1, -2) , R(-3, 6) and B(4, 5) . What are the coordinates of the vertices of its image after the transformation T_{2, -1} (translation x+2, y-1) then reflect over the y-axis?

• (3, 1), (-1, -7), (6, -6)

• (3, -3), (-1, 5), (6, 4)

• (-3, -3), (1, 5), (-6, 4)

• (-1, -2), (3, 6), (-4, 5)

Tags

CCSS.8.G.A.3

If the coordinates of point P are (2, -3) , then what are the image coordinates after a Rotation R₉₀ then R₁₈₀

• (-2, 3)

• (-2, -3)

• (3, -2)

• (-3, -2)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

A transformation in which a second transformation is performed on a image of a first transformation is called

• composition of transformation

• translation

• rigid motion

• reflection

Tags

CCSS.8.G.A.3

If the coordinates of point P are (2, -3) , then R₉₀ o R₁₈₀ is

• (-2, 3)
• (-2, -3)
• (3, -2)
• (-3, -2)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

What scale factor was used to produce the image?

• 2
• -2
• ¹/₂
• 1

Tags

CCSS.HSG.CO.A.2

Triangle DOG has coordinates D (0,0) O (0,4) and G ( 1,5) where is O' after a dilation of scale factor 7

• (7,35)

• (7,28)

• (0,28)

• (0,0)

Tags

CCSS.8.G.A.3