Reflections

Front

What is a reflection in geometry?

Back

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

Front

Which axis is used for reflecting a point (x, y) to (x, -y)?

Back

The x-axis.

Front

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

Back

(-3, 5).

Front

What is the mapping notation for reflecting a point across the y-axis?

Back

(x, y) → (-x, y).

Front

If a point (a, b) is reflected across the x-axis, what is the new point?

Back

(a, -b).

Front

What is the result of reflecting the point (-2, 4) over the x-axis?

Back

(-2, -4).

Front

What type of transformation is flipping a figure?

Back

Reflection.

Front

What is the mapping notation for reflecting a point across the x-axis?

Back

(x, y) → (x, -y).

Front

If K(1, 2) is reflected across the x-axis, what is K'?

Back

K'(1, -2).

Front

What is the result of reflecting the point (0, 0) over any axis?

Back

(0, 0) (the origin remains unchanged).