Question

Solve using the quadratic formula. Approximate to the nearest tenth.
x^2+7x+12=0

Answer 1

\[x^2+7x+12=0\]
\[ax^2+bx+c=0\]
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Quadratic formula is
\[x=\frac{-b \pm \sqrt{b^2-4ac}}{2a}\]
Substitute in and solve

Answer 2

agh, darn. sam you beat me to it. Lol i was almost done typing it.

Answer 3

lol

Answer 4

I did.

Answer 5

so what's x?

Answer 6

is it -3 && -4?

Answer 7

Yes.

Answer 8

its saying im wrong.

Answer 9

I think they're wrong. Lol.

Answer 10

i think so too....