You are given the equation 5x2 + bx + 20 = 0. For what values of b does this equation have real solutions? Homework Help ✎
When using the Quadratic Formula, the value of the expression inside of the radical determines if the solutions are real or non-real.
Solve the inequality b2 − 4ac ≥ 0 using the values for a and c in the given equation.