The graph of the function y = x2 - x - 2 is shown below. 81
6
4
N
of
-6
-4
-2
8
2
4
-6
Which of the following shows the correct key features of the graph?

Determine if the solution set for the system of equations shown is the empty set, contains one point or is infinite. x + y = 5 x + y = 7 {} 1 solution infinite