Transformations Review

Front

What is a reflection of a point (x, y) over the y-axis?

Back

(-x, y)

Front

Which transformation does NOT preserve the size and shape of a geometric figure?

Back

Dilation

Front

What happens to the coordinates of a point when it is reflected over the line y = x?

Back

The x-coordinate and y-coordinate of each point are swapped.

Front

What is the result of reflecting the point (2, 3) over the y-axis?

Back

(-2, 3)

Front

What is the result of reflecting the point (-4, 5) over the x-axis?

Back

(-4, -5)

Front

What is the result of reflecting the point (3, -2) over the line y = x?

Back

(-2, 3)

Front

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

Back

(x, -y)

Front

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

Back

(-x, y)

Front

What is the general rule for reflecting a point (x, y) over the line y = x?

Back

(y, x)

Front

If a point (a, b) is reflected over the line x = k, what is the new point?

Back

(2k - a, b)