Allan is deriving the quadratic formula as shown ,a^2+bx+c=0. His work is incorrect. In which step did Allan first make an error?

Rewrite the following without an exponent. (5/8)-1

Solve for x, y, and z. show all steps.

Match each statement with its corresponding value for the system below: y = -2(3)x and y = 9x - 2 1. the number of points of intersection. -2 2. the x-coordinate of the solution. 1 3. the y-coordinate of the solution. 0