11/22/2024 Warm Up Rotations 8.10c

Front

What is the rule for rotation of 180 degrees?

Back

(x, y) → (-x, -y)

Front

What is the new coordinate of point A(3, 5) after a 90° counterclockwise rotation about the origin?

Back

A'(-5, 3)

Front

What angle corresponds to a 180° counter-clockwise rotation?

Back

180° counter-clockwise is equivalent to 180° clockwise.

Front

If a figure is rotated 90 degrees clockwise, what is the transformation rule?

Back

(x, y) → (y, -x)

Front

What is the transformation rule for a 90° counterclockwise rotation?

Back

(x, y) → (-y, x)

Front

How do you determine the angle of rotation from one figure to another?

Back

Count the number of 90° rotations needed to align the figures.

Front

What is the result of rotating the point (2, 3) 90° counterclockwise?

Back

(-3, 2)

Front

What is the result of rotating the point (-4, -1) 180°?

Back

(4, 1)

Front

What is the transformation rule for a 90° clockwise rotation?

Back

(x, y) → (y, -x)

Front

If a figure is rotated 270° clockwise, what is the equivalent counterclockwise rotation?

Back

90° counterclockwise.