Write the coordinates of the vertices after a rotation 90° counterclockwise around the origin.
y
x
-10
10
-10
10
0
s
t
u
v
s(-7, -9)
→
s′(
9
,
-7
)
t(-7, 0)
→
t′(
,
)
u(-2, 0)
→
u′(
,
)
v(-2, -9)
→
v′(
,
)

Lesson 9-3 for items 8-10, a square is drawn in the coordinate plane, with vertices as shown in the diagram. then the square is reflected across the x-axis. -2 4 8. the function that describes the reflection is (x, y) - a. (x, y-3). b. (x, y-6). c. (-x, y). d. (x,- y).