Which of the following is not an acceptable rise and run for the function y = x + 2

Use the quadratic formula to solve the equation. if necessary, round to the nearest hundredth. x^2 - 8 = -6x a. –7.12, 1.12 b. 7.12, –1.12 c. 7.12, 1.12 d. –7.12, –1.12

Evaluate the discriminant of each equation. tell how many solutions each equation has and whether the solutions are real or imaginary. x^2 - 4x - 5 = 0

What effect would doubling all the dimensions of a triangular pyramid have on the volume of the pyramid? explain your reasoning.