Question

Solve the equation using the quadratic formula.

2x2 = -12x - 3

A.)https://study.ashworthcollege.edu/access/content/group/e4bcd776-749a-49f8-8403-365cad5d3c31/GM%20Exam%206/images/f1q5g1.jpg

Answer 1

B.) https://study.ashworthcollege.edu/access/content/group/e4bcd776-749a-49f8-8403-365cad5d3c31/GM%20Exam%206/images/f1q5g2.jpg

Answer 2

C.) https://study.ashworthcollege.edu/access/content/group/e4bcd776-749a-49f8-8403-365cad5d3c31/GM%20Exam%206/images/f1q5g3.jpg

Answer 3

D.) https://study.ashworthcollege.edu/access/content/group/e4bcd776-749a-49f8-8403-365cad5d3c31/GM%20Exam%206/images/f1q5g4.jpg

Answer 4

the quadratic formula is \[\huge x = \frac {-b \pm \sqrt{b^2 - 4ac}}{2a}\]
right?

Answer 5

YEs :)

Answer 6

I got B

Answer 7

let me check..give me a moment

Answer 8

\[x = \frac{ -12 \pm \sqrt{12^2 - 4(2)(3)}}{2(2)}\]
\[x = \frac{-12 \pm \sqrt{120}}{4}\]
\[x = \frac{-12 \pm 2\sqrt{30}}{4}\]
\[x = \frac{2(-6 \pm \sqrt{30})}{4}\]
\[x = \frac{-6 \pm \sqrt{30}}{2}\]
i dont think that's B right?

Answer 9

do you get my solution btw?

Answer 10

I'm thinking between c and D :/?

Answer 11

well which one looks like my answer?

Answer 12

C :D

Answer 13

there you go! :D