Reflections, Translations, Rotations

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 moves every point of a figure the same distance in the same direction.

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, called the center of rotation, by a certain angle.

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Front

How do you perform a translation on a point?

Back

To translate a point, add the translation rule values to the x and y coordinates of the point.

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Front

What are the coordinates of point B' after translating B(-5, -8) by (x - 2, y + 1)?

Back

The coordinates of B' are (-7, -7).

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Front

What are the coordinates of point B' after rotating B(-5, -8) 90 degrees clockwise?

Back

The coordinates of B' are (-8, 5).

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Front

How do you find the new coordinates of a point after a rotation?

Back

For a 90-degree clockwise rotation, switch the coordinates and change the sign of the new y-coordinate.

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Front

What are the coordinates of Z' after translating Z(-1, 12) by (x - 3, y + 5)?

Back

The coordinates of Z' are (-4, 17).

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Front

What are the coordinates of Y' after rotating Y(-3, 5) 90 degrees counterclockwise?

Back

The coordinates of Y' are (-5, -3).

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Front

What are the coordinates of X' after rotating X(-9, 7) 90 degrees clockwise?

Back

The coordinates of X' are (7, 9).

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5