8.GM.1 Checkpoint 3

Front

What are the coordinates of a point (x, y) rotated 180 degrees about the origin?

Back

(-x, -y)

Front

What are the final coordinates of a point (3, -4) after translating 2 units left, reflecting across the x-axis, and rotating 90 degrees counterclockwise about the origin?

Back

(-1, 4)

Front

What are the coordinates of a point (x, y) dilated by a scale factor of 2 with the origin as the center?

Back

(2x, 2y)

Front

What are the coordinates of a point (x, y) rotated 90 degrees clockwise about the origin?

Back

(y, -x)

Front

What are the coordinates of a point (x, y) translated 6 units to the right and 3 units down?

Back

(x + 6, y - 3)

Front

What is the definition of rotation in geometry?

Back

A transformation that turns a figure around a fixed point.

Front

What is the definition of translation in geometry?

Back

A transformation that moves every point of a figure the same distance in the same direction.

Front

What is the definition of reflection in geometry?

Back

A transformation that flips a figure over a line to create a mirror image.

Front

What is the definition of dilation in geometry?

Back

A transformation that changes the size of a figure but not its shape.

Front

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

Back

The new coordinates are (y, -x).