Question

How many solutions are there for the equation? x2 + 9x = -7
A. 2
B. 1
C. 0

Answer 1

use the discriminant to find out the # of solutions :D

Answer 2

b^2 - 4ac > 0 .... two real roots
b^2 - 4ac = 0 .... one real root
b^2 - 4ac < 0 .... two complex roots

Answer 3

Is the answer 2?

Answer 4

2 of course :)

Answer 5

Use\[D=b^{2}-4ac\]