Question

Help Please This is really hard. 5 points!

Answer 1

C. m = 6

Explanation:

The quadratic equation has a single solution, x = -3.

(x - (-3))(x - (-3)) = 0

(x + 3)(x + 3) = 0

(x + 3)^2 = 0

x^2 + 6x + 9 = 0

x^2 + mx + n = 0

m = 6; n = 9

Answer 2

Your answer should be positive 3 A.