Front

What are rigid motions in geometry?

Back

Rigid motions are transformations that preserve distance and angle measures, meaning the shape and size of the figure remain unchanged.

Tags

CCSS.HSG.CO.B.6

Front

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

Back

The rule for reflecting a point (x, y) across the x-axis is (x, -y).

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Front

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

Back

The rule for reflecting a point (x, y) across the y-axis is (-x, y).

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Front

What is the rule for reflecting a point across the line y = x?

Back

The rule for reflecting a point (x, y) across the line y = x is (y, x).

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Front

What is the rule for translating a point 3 units right and 2 units down?

Back

The rule for translating a point (x, y) 3 units right and 2 units down is (x + 3, y - 2).

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Front

What is the rule for rotating a point 90° counterclockwise about the origin?

Back

The rule for rotating a point (x, y) 90° counterclockwise about the origin is (-y, x).

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Front

What is the rule for rotating a point 180° about the origin?

Back

The rule for rotating a point (x, y) 180° about the origin is (-x, -y).

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Front

What is the rule for rotating a point 270° counterclockwise about the origin?

Back

The rule for rotating a point (x, y) 270° counterclockwise about the origin is (y, -x).

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Front

How do you perform a translation of a figure on a coordinate plane?

Back

To perform a translation, you add or subtract values from the x and y coordinates of each point in the figure.

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Front

What is the effect of a reflection on the coordinates of a point?

Back

A reflection changes the sign of the coordinate(s) that are perpendicular to the line of reflection.

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5