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

Algebra ->  Expressions-with-variables -> 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      Log On


   



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) About Me  (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

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