T1L3 - Reflections Practice 1

Front

What is the line of reflection for the point (2, 3) reflected across the x-axis?

Back

Reflection across x-axis.

Front

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

Back

y-coordinate.

Front

What is the Algebraic Notation for reflecting a point across the x-axis?

Back

(x, y) → (x, -y).

Front

What is the Algebraic Notation for reflecting a point across the y-axis?

Back

(x, y) → (-x, y).

Front

Is the point (4, 5) reflected in the y-axis or x-axis if the image is (-4, 5)?

Back

y-axis.

Front

What happens to the x-coordinate when a point is reflected across the y-axis?

Back

It changes sign.

Front

What is the line of reflection for the point (3, -2) reflected across the y-axis?

Back

Reflection across y-axis.

Front

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

Back

(x, -y).

Front

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

Back

(-x, y).

Front

What is the effect of reflecting a point across the x-axis on its coordinates?

Back

The y-coordinate changes sign.