Similarity & Transformations

What is the sequence of transformations?

• Reflect over the y then reflect over the x
• Reflect over the x then reflect over the y
• Translate 4 units then rotate 90˚
• Rotate 90˚ then reflect over the x

Tags

CCSS.8.G.A.3

Tags

CCSS.8.G.A.3

Tags

CCSS.8.G.A.3

What are the coordinates of point A' , the image of point A(-4, 1)  after the composite transformation R₉₀ o r_y=x  where the origin is the center of rotation?

• (-1, -4)
• (-4, -1)
• (1, 4)
• (4, 1)

Tags

CCSS.8.G.A.3

What transformation gets you from Triangle ABC to Triangle A"B"C"?

Tags

CCSS.8.G.A.3

Point A is rotated 180 degrees and then flipped over the y-axis. What is A" if A is (2,7)

• (2,7)

• (-2, -7)

• (-2, 7)

• (2, -7)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Triangle ABC is rotated 90 degrees and then translated up 4 and left 5. What is point A if point A''' is (1,2)?

• (2, -4)

• (2,6)

• (4, -2)

• (-2 -6)

Tags

CCSS.8.G.A.3

Dilate Point B by a scale factor of 1/2

• (1.5,-4)
• (-1.5,1)
• (-1,-1.5)
• (-2,-2)

Tags

CCSS.8.G.A.3

Which of the following is the algebraic representation for a dilation?

• (x, y) → (-x,-y)

• (x, y) → (3x,3y)

• (x, y) → (x+2,y-3)

• (x, y) → (y,x)

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