Composition, Transformation

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

What is the rule for the dilation pictured below?

• (x, y) → (½x, ½y)

• (x, y) → (x + 2, y + 2)

• (x, y) → (2x , 2y)

• (x, y) → (2x, 3y)

Tags

CCSS.8.G.A.3

Under what composition of transformations does triangle ABC map onto triangle A''B''C''

• Reflection over x-axis, then Rotation of 90 Degrees

• Rotation of -90 Degrees, then Reflection over y-axis

• Reflection over y-axis, then Rotation of -90 Degrees

• Rotation of 90 Degrees, then Reflection over x-axis

Tags

CCSS.8.G.A.3

If the red triangle is rotated 180 degrees, then reflected over y=2 what is the final image?

• Green Triangle

• Blue Triangle

• Orange Triangle

• Red Triangle

Tags

CCSS.8.G.A.3

Describe the TRANSFORMATIONS that map ABC (green triangle) onto A"B"C" (red triangle).

Tags

CCSS.8.G.A.3

What is the transformation from Triangle ABC to Triangle A''B''C''?

• Reflection x-axis, then rotation of 180 Degrees

• Reflection over y-axis, then rotation of 90 Degrees

• Rotation of 90 Degrees, then reflection over x-axis

• Rotation of 180 Degrees, then reflection over y-axis

Tags

CCSS.8.G.A.3

What is the sequence of transformations?

• Reflect over the y-axis then reflect over the x-axis

• Reflect over the x-axis then reflect over the y-axis

• Translate 4 units then rotate 90˚

• Rotate 90˚ then reflect over the x-axis

Tags

CCSS.8.G.A.3

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

• Composition of transformations

• Congruence

• Consecutive steps

• Similarity

Tags

CCSS.8.G.A.3

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

Name the series of transformations that maps ABC onto DEF

• reflect over x then translate left 6 up 1

• reflect over y then translate down 6 left 1

• translate right 6 down 1, then reflect over x

• rotate 90 clockwise then reflect over y

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6