A pentagon ABCDE is dilated by a scale factor of $$\frac{2}{3}$$ to create pentagon A'B'C'D'E'. The perimeter of pentagon ABCDE is x units. Which is true about the perimeter of pentagon A'B'C'D'E'?

The perimeter of A'B'C'D'E' is $$\frac{2}{3}$$ times the perimeter of ABCDE

The perimeter of ABCDE is equal to the perimeter A'B'C'D'E'

The perimeter of A'B'C'D'E' is $$\left( \frac{2}{3} \right)^2$$ times the perimeter of ABCDE

The perimeter of A'B'C'D'E' is $$\frac{3}{2}$$ times the perimeter of ABCDE

A little league baseball field and high school baseball field are similar in shape. Each dimension of the high school field is 1.5 times the corresponding dimension of the little league field. Which statement is true?

The area of the high school field is 2.25 times the area of the little league field.

The area of the high school field is 3 times the area of the little league field.

The perimeter of the high school field is 3 times the perimeter of the little league field.

The perimeter of the high school field is 2.25 times the perimeter of the little league field.

34. Perform a reflection across the x-axis for the given figure. Describe the new coordinates of the vertices after reflection.

The y-coordinates of the vertices change sign.

The x-coordinates of the vertices change sign.

Both x and y coordinates change sign.

The coordinates remain the same.

35. Dilate the given figure by a scale factor of ½. What are the new coordinates of the vertices after dilation?

B: (0.5, 1.5), (2.5, 1.5), (3.5, -0.5), (0.5, -0.5)

A: (1, 1), (2, 2), (3, 3), (1, -1)

C: (2, 2), (4, 4), (6, 6), (-1, -1)

D: (0, 0), (1, 1), (2, 2), (1, -1)

Unit 6 - Transformations Review

Authored by Kimberly Robertson

Mathematics

8th Grade

CCSS covered

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FILL IN THE BLANK QUESTION

1 min • 1 pt

Translate right 3 and up 2

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

FILL IN THE BLANK QUESTION

1 min • 1 pt

Rotate 180 degrees counterclockwise

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

FILL IN THE BLANK QUESTION

1 min • 1 pt

Reflect over the x-axis

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

FILL IN THE BLANK QUESTION

1 min • 1 pt

Translate left 5

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

FILL IN THE BLANK QUESTION

1 min • 1 pt

Rotate 270 degrees clockwise

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

FILL IN THE BLANK QUESTION

1 min • 1 pt

Dilate by a scale factor of 3

Tags

CCSS.8.G.A.3

FILL IN THE BLANK QUESTION

1 min • 1 pt

Rotate 90 degrees clockwise

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

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Unit 6 - Transformations Review

Translate right 3 and up 2

Rotate 180 degrees counterclockwise

Reflect over the x-axis

Translate left 5

Rotate 270 degrees clockwise

Dilate by a scale factor of 3

Rotate 90 degrees clockwise

Reflect over the y-axis

Dilate by a scale factor of 1/4

Translate right 1 and down 7

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