Learning Rotations Rules

Identify the rule after a 90° COUNTER CLOCKWISE rotation:

(x, y) ---> ___________

• ( y, -x)

• ( -y, x)

• ( -x, -y)

• ( y, -x)

If you were to rotate ABCD 180° about the origin, what would the coordinate of A' be?

• (3, 5)

• (-3, -5)

• (-5, 3)

• (5, 3)

Which rule describes rotating 180° clockwise?

• ( x, y ) → ( y, -x )

• ( x, y ) → ( -x, -y )

• ( x, y) → ( x, y )

• ( x, y ) → ( -y, x )

Describe the given rotation. Select ALL that apply.

• 90° counterclockwise

• 180° clockwise

• 90° clockwise

• 270° clockwise

• 270° counterclockwise

Which rule describes rotating 90° clockwise?

• ( x, y ) → ( y, -x )

• ( x, y ) → ( -x, -y )

• ( x, y) → ( x, y )

• ( x, y ) → ( -y, x )

How many degrees does this shape rotate counterclockwise about the origin?

• 90°

• 180°

• 270°

• 360°

What is the image of W (-5, -3) after a rotation 270° counterclockwise?

• W' (-3, 5)

• W' (-3, -5)

• W' (-5, 3)

• W' (5, -3)

What type of rotation does this represent (from red to blue)?

• 270⁰ clockwise

• 360⁰

• 90⁰ counterclockwise

• 180⁰

What is the image of F (-2, 7) after a rotation of 180° clockwise?

• F' (-2, -7)

• F' (7, -2)

• F' (2, -7)

• F' (2, 7)

What is the image of J (8, -6) after a rotation of 180° counterclockwise?

• J' (8, 6)

• J' (-6, 8)

• J' (-8, 6)

• J ' (-8, -6)