Rotations

Question 1

Which are properties of rotations? Check all that apply.Rotations are always counterclockwise.Rotations preserve size.Rotations of 360° map a figure to itself.Lines connecting corresponding points on the pre-image and image are parallel.Lines connecting corresponding points on the pre-image and image have equal length.Lines connecting the center of rotation to the pre-image and the corresponding point on the image have equal length.

Revolt · Accepted Answer

Rotations preserve size.; Rotations of 360° map a figure to itself.; Lines connecting the center of rotation to the pre-image and the corresponding point on the image have equal length.

Question 2

°

Revolt · Accepted Answer

180

Question 3

Which rule represents R0, 180°?

Revolt · Accepted Answer

(x, y) → (–x, –y)

Question 4

What rule describes the rotation about the origin?

Revolt · Accepted Answer

(-x, -y); (x, y) →: (-x, -y); °: 180

Question 5

What are the coordinates of the vertices of the image of rectangle WXYZ after the transformation R0, 90°(x, y)?

Revolt · Accepted Answer

✔ (-2, -1); X': (-2, -1); Y': (-2, 2)

Question 6

X (-2, -2)✔ (-2, 2)(2, 2)(2, -2)

Revolt · Accepted Answer

✔ (-2, 2)

Question 7

What are the coordinates of the vertices of the image of rectangle WXYZ after the transformation R0, 90°(x, y)?

Revolt · Accepted Answer

X': (-2, -1); Y': (-2, 2)

Rotations Answers

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