### Home > CCA2 > Chapter Ch12 > Lesson 12.1.1 > Problem 12-16

12-16.

Find all values of for which the equation

*has a solution that is a real number. Express*

*a*in terms of one or more inequalities.

Use the discriminant. For what values is

12-16.

Find all values of for which the equation

Use the discriminant. For what values is