Explain how the graph of a quadratic function relates to the solutions of the related quadratic equation.

Ineed solving this problem h/8=-25 solve for h idk how to this can someone show me and also give an answer you

Someone answer this asap for the length, in feet, of a rectangular rug is represented by the expression 5x² + 2x. the width, in feet, is represented by the expression 3x². which expression represents the perimeter, in feet, of the rug? a. 8x² + 2x b. 8x² + 4x c. 16x² + 2x d. 16x² + 4x

If the average of x,y and z is 15 what is their sum