SOLUTION: Can you please help me with this equation 2b^2+9=0 What I come up with is 2b^2 = -9 but am not sure where to go from here. I appreciate any help you may be able to give me. Tha

Question 394343: Can you please help me with this equation 2b^2+9=0 What I come up with is
2b^2 = -9 but am not sure where to go from here. I appreciate any help you may be able to give me. Thank you.

Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!

So far, so good. Now multiply both sides by

.

Then take the square root of both sides, remembering to consider both the positive and negative roots and that you need to use the imaginary number

where

in order to take the square root of a negative number. Also, don't forget to rationalize your denominator.

John

My calculator said it, I believe it, that settles it

The Out Campaign: Scarlet Letter of Atheism

RELATED QUESTIONS
Please help me figure out how to simplify the following rational expression.... (answered by stanbon,queenofit)

ok, i'm stuck. I am trying to solve this quadratic equation by factoring. Can you help... (answered by Boreal,stanbon)

I am not sure this is what the topic is under, but here is my problem. Simplify:... (answered by stanbon)

Hi I need some help with solving this story problem I can work it up to the end but I am... (answered by jim_thompson5910)

I am to simplify this problem (2a^2b^3c)^2 ________ (5ac^3) I came up... (answered by Earlsdon)

Hello I'm really stuck on this question and would be very grateful if you could help... (answered by jim_thompson5910)

My class is studying polynomials, trinomials, and rational expressions and I need help... (answered by shree840,miohmeye1)

Could someone please assist me with this question: Find the solution to this equation: (answered by stanbon)

Hello, I am not really sure where to put this question...what topic it would fall... (answered by nerdybill,edjones)