P. 4 Rotation Practice 2024

Front

What is the original figure prior to a transformation called?

Back

Pre-image

Front

What is the result of a transformation called?

Back

Image

Front

Rotate the point (2, -4) around the origin 270 degrees counterclockwise. What is the image of the point?

Back

(-4, -2)

Front

Rotate the point (-5, 8) around the origin 270 degrees counterclockwise. What is the image of the point?

Back

(8, 5)

Front

What does it mean to rotate a figure?

Back

To turn a figure around a fixed point (the center of rotation) by a certain angle.

Front

What is a counterclockwise rotation?

Back

A rotation that moves in the opposite direction to the hands of a clock.

Front

What is a clockwise rotation?

Back

A rotation that moves in the same direction as the hands of a clock.

Front

If a point is rotated 90 degrees counterclockwise, how does its coordinates change?

Back

The x-coordinate and y-coordinate switch places and the new x-coordinate is the negative of the original y-coordinate.

Front

What happens to the coordinates of a point when it is rotated 180 degrees around the origin?

Back

Both coordinates change signs.

Front

What is the angle of rotation for a full turn?

Back

360 degrees.