### Home > CCA2 > Chapter 9 > Lesson 9.1.1 > Problem 9-10

9-10.

Find all values of *a* for which the equation *ax*^{2} + 5*x* + 6 = 0 has solutions that are real numbers. Express *a* in terms of one or more inequalities. Homework Help ✎

Use the Quadratic Formula. What do you know about the discriminant that would make this problem easy?