12/03 DOL

Front

What is the result of reflecting a point (x, y) across the x-axis?

Back

(x, -y)

Front

What is the result of reflecting a point (x, y) across the y-axis?

Back

(-x, y)

Front

What happens to the orientation of a figure when it is reflected?

Back

The orientation of the figure changes.

Front

What is the algebraic representation for reflecting a point across the x-axis?

Back

(x, y) → (x, -y)

Front

What is the algebraic representation for reflecting a point across the y-axis?

Back

(x, y) → (-x, y)

Front

If a point (3, 4) is reflected across the x-axis, what are the new coordinates?

Back

(3, -4)

Front

If a point (-2, 5) is reflected across the y-axis, what are the new coordinates?

Back

(2, 5)

Front

What is the effect of reflection on the size of a figure?

Back

The size of the figure does not change.

Front

What is the algebraic representation for reflecting a triangle across the x-axis?

Back

(x, y) → (x, -y) for each vertex.

Front

What is the algebraic representation for reflecting a triangle across the y-axis?

Back

(x, y) → (-x, y) for each vertex.