(02.02 LC)
Pentagon PQRST and its reflection, pentagon P'Q'R'S'T', are shown in the coordinate plane below:
P
Q
Q
3
2
R
+
S
R'
-8-7-6-5-4-3-2-1
2 3 4 5 6 7 8
2
3
-4
-5
-6
A
What is the line of reflection between pentagons PQRST and P'Q'R'S'T'? (2 points)
x = 0
y = x
y = 0
x = 1