Question

Find the number of real solutions of each equation using the discriminant.

1: x^2 + 25 = 0
2: x^2 - 11x + 28 = 0
3: x^2 + 8x + 16 = 0

Answer 1

Answer: 1: x^2 + 25 = 0 x=5

2: x^2 - 11x + 28 = 0 x=7 i think

3: x^2 + 8x + 16 = 0 x=-4

Explanation: