Direction: Determine the nature of the roots of the following quadratic equations using the discriminant. Answer the questions that follow.
1. x2 + 6x + 9 = 0
discriminant:
nature of the roots:
2. x2 + 9x + 20 = 0
discriminant:
nature of the roots:
3. 2x2 - 10x + 8 = 0
discriminant:
nature of the roots:
4.x2 + 5x + 10 = 0
discriminant:
nature of the roots:
5. x2 + 6x + 3 = 0
discriminant:
nature of the roots: