9.3 Reflections on the Coordinate Plane

Front

Reflections over the x-axis change the ____-__________.

Back

y-coordinate

Front

Reflecting over the y-axis changes the ____-_____________.

Back

x-coordinate

Front

Reflect point A (4, 2) over the x-axis. What is the ordered pair of the reflected point?

Back

A' (4, -2)

Front

Is the picture being reflected in the y-axis or x-axis?

Back

y-axis

Front

What is the reflection of D (4, 3) over both axes?

Back

D' (-4, -3)

Front

What is the definition of reflection in geometry?

Back

A transformation that flips a figure over a line, creating a mirror image.

Front

What is the x-axis?

Back

The horizontal axis in a coordinate plane where y-coordinates are zero.

Front

What is the y-axis?

Back

The vertical axis in a coordinate plane where x-coordinates are zero.

Front

If a point (x, y) is reflected over the x-axis, what is the new coordinate?

Back

(x, -y)

Front

If a point (x, y) is reflected over the y-axis, what is the new coordinate?

Back

(-x, y)