Transformation Vocabulary

Front

What does it mean for figures to be congruent?

Back

Figures are congruent when they have the same shape and size.

Front

What is the term used for a transformation that flips a figure over a line?

Back

Reflection

Front

What is the name of the horizontal axis on a coordinate plane?

Back

x-axis

Front

What is the name of the vertical axis on a coordinate plane?

Back

y-axis

Front

What are the corresponding parts of two congruent figures?

Back

The corresponding sides and angles are congruent.

Front

What transformation slides a figure without turning it?

Back

Translation

Front

What is the term for a transformation that enlarges or reduces a figure?

Back

Dilation

Front

What is the definition of a transformation in geometry?

Back

A transformation is an operation that moves or changes a figure in some way to produce a new figure.

Front

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

Back

The y-coordinates of the points are negated.

Front

What is the result of a translation?

Back

Every point in the figure moves the same distance in the same direction.