a) Find the image of the point (-3,3) after a rotation of 90º counterclockwise about the origin.

b) Find the image of the point (-3,3) after a rotation of 270º clockwise about the origin.

ΔABC is rotated 90º counterclockwise about the origin. What are the coordinates of the vertices of its image?
R_O,90º(ΔABC) = (ΔA'B'C')

Choose:

A' (1,1), B' (-2,-3), C' (-2,1)

A' (-1,1), B' (3,-2), C' (1,2)

A' (1,-1), B' (-3,2), C' (1,2)

A' (1,-1), B' (-3,-2), C' (-1,2)

What is the image of the point (-5,2) under a rotation of 180º about the origin?

Choose:

(-5,-2)	(5,2)
(2,-5)	(5,-2)

Which of the triangles shown is not a rotation of triangle A about the origin?

Choose:

B

C

D

A rotation about the origin moves A(3,5) to B(-5,3). What are the coordinates of the image of point (-3,-5) under this same rotation?
Choose:

(5,-3)

(-5,3)

(-5,-3)

(3,5)

Rectangle ABCD has been rotated counterclockwise 180º about the origin, followed by a reflection in the x-axis.
Which of the following single transformations will accomplish this same move?

ΔFUN is shown at the right. Find the coordinates of vertex U under a clockwise rotation of 90º about the origin.

Choose:

(3,-4)

(-4,3)

(4,-3)

(-3,-4)

Point A is rotated 180º counterclockwise about the origin. If the coordinates of A are (-1,3), what are the coordinates of A', its image?
Choose:

(-1,-3)

(1,-3)

(-3,-1)

(3,-1)

In the graph at the right, ΔABC has been transformed into ΔA'B'C'. Which transformation occurred?
(O = origin)

Choose:

The coordinates of the endpoints of are B(5,1) and C(-3,-2), Under the transformation R_{O, 90º} , the image of is . State the coordinates of points B' and C' ?

Choose:

B' (-1,5), C' (2,3)

B' (-5,-1), C' (3,2)

B' (-1,-5), C' (2,3)

B' (-1,5), C' (2,-3)