Lesson 1.7 Rotations on the Coordinate Plane

If you were to rotate ABCD 180°  about the origin, what would the coordinate of A' be?

• (-5, 5)
• (-3, -5)
• (-5, 3)
• (-3, 3)

If you were to rotate ABCD 180° about the origin, what would the coordinates of C' be?

• (0, 0)
• (1, -3)

• (-1, 3)

• (-1, -3)

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

• (-5, 5)
• (-3, 5)
• (-5, 3)
• (-3, 3)

Rotate the point (-3,-4) around the origin 90 degrees clockwise. State the image of the point.

• (-4,-3)
• (-4,3)
• (4,-3)
• (3,4)

Rotate the point (-3,-4) around the origin 360 degrees clockwise. State the image of the point.

• (-4,-3)
• (-4,3)
• (4,-3)
• (-3,-4)

Rotate the point (-2, 1) around the origin 90 degrees counterclockwise. State the image of the point.

• (-1, 2)

• (-1, -2)

• (2, -1)

• (-2, 1)

If (3,2)→(-3,-2) represents a counterclockwise rotation of the point on a coordinate plane, how many degrees is the rotation?

• 90

• 180

• 270

• 360

If (4,-2) → (4,-2) represents a counterclockwise rotation of the point on a coordinate plane, how many degrees is the rotation?

• 90

• 180

• 270

• 360

Triangle A is rotated 90° clockwise with the origin as the center of rotation to create a new figure. Which triangle shows the new location?

• A

• B

• C

• D

Triangle B is rotated 90° clockwise with the origin as the center of rotation to create a new figure. Which triangle shows the new location?

• A
• B
• C
• D