Question

Solve 3x^2 + 2x + 7 = 0. Round to the nearest Hundredth.

x ~ -1.90 & x ~ 1.23
x ~ -1.23 & x ~ 1.90
x ~ - 0.44 & x ~-3.56
No real solutions

Answer 1

Use the quadratic formula.

Answer 2

I did i came up with -1.8 and 1.20

Answer 3

You sure you did it right?

Answer 4

I really dont know i just got that though? Ugh!

Answer 5

Here https://www.wolframalpha.com/input/?i=Solve+3x%5E2+%2B+2x+%2B+7+%3D+0

Answer 6

Do the discriminate first \(b^2-4ac\), it will tell you if the solution is real or not.

Answer 7

A: 3
B:2
C: 7
Right?

Answer 8

Yup, now plug them in

Answer 9

-80?
(2)^2 - 4(3)(7)
4 - 84
-80

Answer 10

Yes, and negative means there are no real solutions..

Answer 11

So it is no real Solution. Hahaha Thank you so much :P

Answer 12

You're welcome :)