Solve [math]–x^2 + 6x – 13 = 0[/math] by using the quadratic formula. Check your solutions. Explain how the graph of the related function supports the type of solutions.
[list=1] [*]Substitute values for the equation into the quadratic formula. [*]Check the solutions. [*]Explain how the graph of the related quadratic function supports the type of solutions. [/list]