Chapter 4 Test Review

Front

What does a translation do to an image?

Back

A translation slides the image to a different position without changing its shape or orientation.

Front

Which rule would result in a reflection in the x-axis?

Back

The rule (x, y) → (x, -y) reflects points across the x-axis.

Front

What is the algebraic rule for reflecting a point across the x-axis?

Back

The algebraic rule is (x, y) → (x, -y).

Front

What happens to a triangle when it is dilated with a scale factor less than 1?

Back

The triangle is reduced in size.

Front

Translate the point A (-3, 4) right 5 and up 1. What is the new position?

Back

The new position is (2, 5).

Front

What is the effect of a dilation with a scale factor greater than 1?

Back

It enlarges the figure.

Front

Define reflection in geometry.

Back

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

Front

What is the scale factor in a dilation?

Back

The scale factor is the ratio of the lengths of corresponding sides of the original figure to the dilated figure.

Front

What does a rotation do to an image?

Back

A rotation turns the image around a fixed point at a specified angle.

Front

What is the difference between translation and reflection?

Back

Translation slides the image without changing its orientation, while reflection flips the image over a line.