Question

The only solution of the equation x2 + bx + 16 = 0 is x = 4. What is the value of b?

b = –16
b = –8
b = 8
b = 16

Answer 1

88

Explanation:

x2+bx+16=0

4x2+16x4+16=0

8+64+16=0

72+16=0

88

Answer 2

guys the answer is c.. on EDG at least trust me i just did it

Explanation: