Test - Reflections, Translations, Rotations (shorter)

Front

What is a reflection in geometry?

Back

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

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Front

What is a rotation in geometry?

Back

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

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Front

What is a translation in geometry?

Back

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

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Front

What is the line of reflection for the point (2, 3) reflected over the line y = 1?

Back

The line of reflection is y = 1, and the reflected point is (2, -1).

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Front

How do you perform a 270° clockwise rotation on a point (x, y)?

Back

To perform a 270° clockwise rotation, the new coordinates will be (y, -x).

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Front

What is the effect of a reflection over the line y = x on the point (a, b)?

Back

The effect is that the new coordinates will be (b, a).

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Front

Identify the transformation: A shape is flipped over the x-axis.

Back

Reflection.

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Front

Identify the transformation: A shape is moved 5 units to the right and 3 units up.

Back

Translation.

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Front

Identify the transformation: A triangle is turned 90° counterclockwise around the origin.

Back

Rotation.

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Front

What is the formula for a 180° rotation around the origin for a point (x, y)?

Back

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

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5