SOLUTION: This one is so hard for me :( Could you help me out? I posted this before but got no response. Thanks!!! Apply the quadratic formula to find the roots of the given function, and

Algebra.Com
Question 36439: This one is so hard for me :( Could you help me out? I posted this before but got no response. Thanks!!!
Apply the quadratic formula to find the roots of the given function, and then graph the function.
g(x) = x^2 + x + 12

Answer by stanbon(75887)   (Show Source): You can put this solution on YOUR website!
a=1, b=1, c=12
Solved by pluggable solver: SOLVE quadratic equation with variable
Quadratic equation (in our case ) has the following solutons:



For these solutions to exist, the discriminant should not be a negative number.

First, we need to compute the discriminant : .

The discriminant -47 is less than zero. That means that there are no solutions among real numbers.

If you are a student of advanced school algebra and are aware about imaginary numbers, read on.


In the field of imaginary numbers, the square root of -47 is + or - .

The solution is

Here's your graph:

Hope this helps.
Cheers,
Stan H.

RELATED QUESTIONS

Hello, I am a little confused on how to solve this algebraic equation. I see someone... (answered by sofiyac)
Solve the equation 4^2x+1=2^3x+6. I have no answer for this one but I didn't try.... (answered by stanbon)
Can anyone help me out with this? I have submitted once before but didn't get a... (answered by stanbon)
Hello I have posted this before but no reply could someone please help! Describe and... (answered by dolly)
You invested $6000 at 4.5% and 5.5% simple interest. During the first year, the two... (answered by checkley77)
I am having a hard time with my Algebra One class. I know this is a bad example of a... (answered by askmemath)
Hi! I was wondering if you have a triangle on the shpere what is the range of values for... (answered by stanbon)
Set up the following word problem as an equation or expression and solve. Then finish... (answered by scott8148)
hi, i need help in solving an equation using the quadratic formula, i know what the... (answered by ankor@dixie-net.com)