Transformation Review 2024

Front

What is a reflection in geometry?

Back

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

Front

What does it mean to rotate a figure?

Back

To turn a figure around a fixed point by a certain angle.

Front

What is dilation in geometry?

Back

A transformation that changes the size of a figure but keeps its shape, defined by a scale factor.

Front

What is the scale factor in dilation?

Back

A number that describes how much a figure is enlarged or reduced.

Front

How do you reflect a point across the x-axis?

Back

Change the sign of the y-coordinate of the point.

Front

How do you reflect a point across the y-axis?

Back

Change the sign of the x-coordinate of the point.

Front

What is the result of a 90° counterclockwise rotation of a point (x, y)?

Back

The new coordinates will be (-y, x).

Front

What is the result of a dilation with a scale factor of 1/2 on the point (4, 6)?

Back

The new coordinates will be (2, 3).

Front

What is a translation in geometry?

Back

A transformation that slides a figure from one position to another without changing its shape or orientation.

Front

What is the difference between similar and congruent figures?

Back

Similar figures have the same shape but different sizes; congruent figures have the same shape and size.