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Mathematics 23 Online
OpenStudy (anonymous):

What number would you have to add to both sides to complete the square? x2 + 12x = –6

OpenStudy (dangerousjesse):

Is it x to the power of 2, or x times two?

OpenStudy (anonymous):

x^2

OpenStudy (anonymous):

?

OpenStudy (dangerousjesse):

x = -6 - 5

OpenStudy (dangerousjesse):

Hope that helps.

OpenStudy (anonymous):

A. –144 B.-36 C. 144 D. 36

OpenStudy (anonymous):

you would add the square of half the coefficient of x...

OpenStudy (anonymous):

what's the coefficient of x? divide that by 2 then square it.

OpenStudy (anonymous):

that's my real name... mom & pops were jokers!

OpenStudy (anonymous):

I don't know what the coefficient of x is

OpenStudy (dangerousjesse):

A coefficient is a numerical or constant quantity placed before and multiplying the variable in an algebraic expression. I believe the coefficient would be 12.

OpenStudy (anonymous):

Oh, so 36

OpenStudy (anonymous):

Thanks for your help

OpenStudy (dangerousjesse):

Yep. No problem.

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