Rotations, Reflections, and Translations Review

Front

Reflect the point (2, -4) over the y-axis. What is the new coordinate?

Back

(-2, -4)

Front

Find K' if the figure is reflected across the x-axis. What is the new coordinate?

Back

(1, 4)

Front

If you were to rotate ABCD 90° counterclockwise about the origin, what would the coordinate of A' be?

Back

(-5, 3)

Front

∆QRS contains the points: Q(4, 2) R(5, 1) S(3,7). If the triangle is reflected across the y-axis, what will S' be?

Back

S'(-3, 7)

Front

Which algebraic rule will produce a translation that is 5 units to the right?

Back

(x, y) → (x + 5, y)

Front

What is a rotation in geometry?

Back

A rotation is a transformation that turns a figure around a fixed point at a certain angle.

Front

What is a reflection in geometry?

Back

A reflection is a transformation that flips a figure over a line, creating a mirror image.

Front

What is a translation in geometry?

Back

A translation is a transformation that moves every point of a figure the same distance in the same direction.

Front

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

Back

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

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).