Pearson's 11/1 Reflections and Rotations

Front

Reflect the point (2, -4) over the y-axis. What are the new coordinates?

Back

(-2, -4)

Front

True or False: When you transform a figure, it is congruent to the original figure.

Back

True

Front

Point C (-5, 4) is reflected over the x-axis. What are the coordinates of C'?

Back

(-5, -4)

Front

Rotate the point (7,8) around the origin 90 degrees counterclockwise. What is the image of the point?

Back

(-8, 7)

Front

A turn is also called a ___________.

Back

Rotation

Front

What is the result of reflecting the point (3, 5) over the x-axis?

Back

(3, -5)

Front

What happens to the coordinates of a point when it is reflected over the y-axis?

Back

The x-coordinate changes sign.

Front

What is the image of the point (4, -3) after a 180-degree rotation around the origin?

Back

(-4, 3)

Front

Define reflection in geometry.

Back

A transformation that flips a figure over a line.

Front

What is the effect of a 90-degree clockwise rotation on the point (x, y)?

Back

(y, -x)