(7th Grade) Unit 5 Transformation Vocabulary Test

Front

What does it mean when two quantities are proportional?

Back

When two quantities always have the same size in relation to each other, meaning they have the same ratio.

Front

What is a pre-image in transformations?

Back

A shape or figure before a transformation; the original figure.

Front

What defines similar shapes?

Back

All corresponding angles in the similar shapes are equal, and the corresponding lengths are in the same ratio.

Front

What is dilation in geometry?

Back

A transformation that produces an image that is the same shape as the original but is a different size.

Front

What does prime notation indicate in transformations?

Back

A prime-corresponding point in a transformed figure, denoted as A'.

Front

What is a transformation?

Back

A process that changes the position, size, or shape of a figure.

Front

What is a scale factor?

Back

The ratio of the lengths of two corresponding sides of similar figures.

Front

What is a reflection in geometry?

Back

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

Front

What is a rotation in geometry?

Back

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

Front

What is the property of congruence?

Back

Two figures are congruent if they have the same shape and size.