Question

Sylvie finds the solution to the system of equations by graphing.

y = x + 1 and y = x – 1

Which graph shows the solution to Sylvie’s system of equations?

Image for option 1

Image for option 2

Image for option 3

Image for option 4

Answer 1

As you can see in the graph, the two lines are parallel; there is no solution to this system of equations.