Solve the quadratic equation. x^2-8x-20=0

Triangle xyz has vertices x(1,3), y(0,0)

The graph shown is the graph of which function?

Select the correct answer from each drop-down menu. a system of equations and its solution are given below. system a complete the sentences to explain what steps were followed to obtain the system of equations below. system b to get system b, the equation in system a was replaced by the sum of that equation and times the equation. the solution to system b the same as the solution to system a.]