A student told to draw the graph of y = x² + 4x - 6. He is then told to draw a liner graph on the same axis such that the intersection of the two graphs will give the solutions to the equation x² + 4x - 7 = 0, What is the equation of the linear graph he needs to draw?

• A.x = 1
• B.x = -1
• C.y = 1
• D.y = -1
• E.x + y = 1