Translations and Reflections

Front

Which axis is the vertical (up-down) one?

Back

y-axis

Front

Which axis is the horizontal (left-right) one?

Back

x-axis

Front

Determine how to translate triangle A'B'C' to triangle ABC: (x+2, y-5), (x+2, y-9), (x-2, y-9), (x-9, y+2)

Back

(x+2, y-9)

Front

Find K' if the figure is reflected across the x-axis: (4, 1), (-1, -4), (1, -4), (1, 4)

Back

(1, 4)

Front

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

Back

y-coordinate

Front

What is the effect of translating a figure 2 units to the right and 5 units down?

Back

The new coordinates will be (x+2, y-5).

Front

What happens to the coordinates of a point (x, y) when it is reflected over the y-axis?

Back

The new coordinates will be (-x, y).

Front

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

Back

(3, -4)

Front

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

Back

The new coordinates will be (-x, y).

Front

How do you translate a point (x, y) by (a, b)?

Back

The new coordinates will be (x+a, y+b).