Transformations Review

Front

Reflect the point (-1, 2) over the y-axis.

Back

(1, 2)

Front

Two objects that are the same shape but not the same size are _______.

Back

Similar

Front

Reflect the point (2, -4) over the y-axis.

Back

(-2, -4)

Front

State the coordinate of the image of the given point B (4,9) under a dilation with center at the origin with the given scale factor of 2.

Back

B' (8, 18)

Front

Reflect (6, -3) over the line x-axis.

Back

(6, 3)

Front

What is a transformation in geometry?

Back

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

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 dilation in geometry?

Back

A dilation is a transformation that changes the size of a figure but not its shape, using a scale factor.

Front

What does it mean for two shapes to be congruent?

Back

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

Front

What is the scale factor in a dilation?

Back

The scale factor is the ratio of the length of a side of the image to the length of the corresponding side of the original figure.