Rotations

Multiple Choice

How many quadrants are there on a coordinate grid?

• 1

• 2

• 3

• 4

Multiple Choice

How many degrees is a quadrant worth?

• 90 degrees

• 180 degrees

• 270 degrees

• 360 degrees

Multiple Choice

The clock is going in the ______ direction.

• Closckwise

• Counter-Clockwise

Multiple Choice

The clock is going in the ______ direction.

• Clockwise

• Counter-Clockwise

Multiple Choice

How many degrees was the figure rotated?

• 270 degrees CW

• 180 degrees

• 90 degrees CW

Multiple Choice

Triangle A is rotated 270° clockwise with the origin as the center of rotation to create a new figure. Which triangle shows the new location?

• A

• B

• C

• D

Multiple Choice

Identify the transformation from A to D.

• 90 degrees CW

• 180 degrees

• 270 degrees CW

• 360 degrees

Multiple Choice

Rotate the point (5, 5) around the origin 180 degrees counter-clockwise.

Rule: (x, y) -----> (-x, -y)

• (5, -5)

• (5, 5)

• (-5, 5)

• (-5, -5)

Multiple Choice

If you were to rotate ABCD 90°clockwise about the origin, what would the coordinate of A' be?

Rule: (x, y) -----> (y, -x)

• (-5, 5)

• (5, -3)

• (-5, 3)

• (-3, 3)

Graphing

The black points create a triangle that is a pre-image.

Its vertices are at (-1, -1); (-4, -2); and (-2, -5).

Drag the blue points to where they will go if we rotate the image 90° clockwise about the point (0,0).

Graphing

The black points create a triangle that is a pre-image. Its vertices are at (1, 3); (2, 1); and (3, 2).

Drag the blue points to rotate the image 180° counterclockwise around the point (0, 0).