### Home > CCA2 > Chapter 12 > Lesson 12.1.1 > Problem12-16

12-16.

Find all values of $a$ for which the equation $ax^2 + 5x + 6 = 0$ has a solution that is a real number. Express a in terms of one or more inequalities. Homework Help ✎

Use the discriminant. For what values is $b^2 - 4ac ≥ 0?$