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Home > INT3 > Chapter 8 > Lesson 8.3.2 > Problem 8-122

8-122.

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.