Which system of equations is represented by the graph?
A) y= x2 − 6x − 7
x − y = 1

B) y = x2 − 6x + 7
x + y = −1

C) y = x2 + 6x − 7
x − y = 1

D) y = x2 + 6x + 7
x + y = 1

Which system of equations is represented by the graph A y x2 6x 7 x y 1 B y x2 6x 7 x y 1 C y x2 6x 7 x y 1 D y x2 6x 7 x y 1 class=