Translations and Reflections Review

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 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 rule for reflecting a point (x, y) over the x-axis?

Back

The rule is (x, -y).

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Front

What is the rule for reflecting a point (x, y) over the y-axis?

Back

The rule is (-x, y).

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Front

What is the rule for reflecting a point (x, y) over the line y = x?

Back

The rule is (y, x).

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Front

What is the difference between a translation and a reflection?

Back

A translation slides a figure without changing its orientation, while a reflection flips it over a line.

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Front

If a point (2, 3) is reflected over the x-axis, what is the new point?

Back

(2, -3).

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Front

If a point (4, -5) is reflected over the y-axis, what is the new point?

Back

(-4, -5).

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Front

What is the transformation called when a figure is turned around a point?

Back

Rotation.

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Front

What is the transformation called when a figure is enlarged or reduced?

Back

Dilation.

Tags

CCSS.8.G.A.3