TEST REVIEW- TRANSFORMATIONS

Front

What is the verbal description for the rule (x, y) → (x+10, y+8)?

Back

Translation 10 units right and 8 units up.

Front

Complete the rule for each transformation: Rotation 270° counterclockwise. (x, y) → ?

Back

(y,-x)

Front

Triangle BES was rotated 270° clockwise to create triangle B'E'S'. What is the transformation rule?

Back

(-y, x)

Front

Complete the rule for each transformation: Reflection over the y-axis. (x, y) → ?

Back

(-x,y)

Front

What is the term for the result after a transformation?

Back

image

Front

What is a transformation in geometry?

Back

A change in the position, size, or shape of a figure.

Front

What does a translation do to a figure?

Back

Moves the figure without changing its shape or orientation.

Front

What is the effect of a reflection over the x-axis?

Back

The y-coordinates of the points are negated.

Front

What is the effect of a rotation of 90° clockwise?

Back

The point (x, y) becomes (y, -x).

Front

What is the effect of a rotation of 180°?

Back

The point (x, y) becomes (-x, -y).