Translations and Reflections

Front

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

Back

x-coordinate

Front

Which rule describes the x-coordinates in the translation below? (x + 0, x + 6, x - 6, x + 2)

Back

x + 0

Front

What is the algebraic representation of translating a figure 3 units left and 5 units down? (x+5, y-3), (x-5, y+3), (x-3, y+5), (x-3, y-5)

Back

(x-3, y-5)

Front

Which point shows a reflection of point X(9, -2) over the x-axis? (-2, 9), (9, -2), (9, 2), (-9, -2)

Back

(9, 2)

Front

What is the effect of reflecting a point over the y-axis?

Back

The x-coordinate changes sign.

Front

What is the effect of reflecting a point over the x-axis?

Back

The y-coordinate changes sign.

Front

If a point A(x, y) is translated 4 units right and 2 units up, what is the new point?

Back

A'(x+4, y+2)

Front

What is the rule for reflecting a point (a, b) over the y-axis?

Back

(-a, b)

Front

What is the rule for reflecting a point (a, b) over the x-axis?

Back

(a, -b)

Front

If point B(3, 5) is reflected over the x-axis, what are the coordinates of the new point?

Back

(3, -5)