Rotations on a Coordinate Plane

Rotations on a Coordinate Plane

Be sure to take notes!

Vocabulary Review

Origin: where the x and y axis meet, also known as the center of rotation

Rotation: Turning around a center

Clockwise: moving in the direction of the hands on a clock

Counter clockwise: the opposite of clockwise, moving in the opposite direction of the hands on a clock

Multiple Choice

When rotating a figure on a coordinate plane, it is rotated around the center of rotation.

• True

• False

Multiple Select

Which two directions can a figure be rotated on a coordinate plane?

• counterclockwise

• 90°

• clockwise

• 90°, 180°, 270°, 360°

Multiple Choice

Which algebraic representation represents the transformation when a figure is rotated 90° clockwise?

• (x, y) --> (-x, -y)

• (x, y) --> (y, -x)

• (x, y) --> (-y, x)

• (x, y) --> (x, y)