Unit 1 Review

True or False?

Transformations are the mapping, or movement of all points of a figure in a plane according to a common operation.

• True

• False

Answer explanation

Remember...

A transformation is a movement of an object. Do not confuse this word with translation.

Translation is a TYPE of transformation that slides.

Rigid transformations have the same shape, same size. Another word for this is what?

Which transformation is non-rigid?

• rotation

• dilation

• reflection

• translation

Answer explanation

Remember, dilations are non-rigid transformations. The objects are the same shape, but they are a different size.

True or False?

Dilations can be either reduced or enlarged

• True

• False

True or False?

The point of rotation is a property of the transformation reflection

• True

• False

Answer explanation

Remember, the answer will more than likely be in the question.

The point of rotation is the property for...ROTATION

Which transformation "slides"?

• dilation

• reflection

• translation

• rotation

Which transformation "turns" and uses the center of rotation as its property?

• reflection

• dilation

• rotation

• translation

Parallel lines are lines that go in the ____ direction.

True or False?

Triangles equal 180 degrees, no matter what kind of triangle it is

• True

• False

Corresponding angles are angles that are in the ____ ________