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Mathematics 12 Online
OpenStudy (anonymous):

Algebra 2 help please?

OpenStudy (anonymous):

Sure !

OpenStudy (anonymous):

How can \[x ^{2}=x ^{2}+2x+9\] be set up as a system of equations?

OpenStudy (anonymous):

A. \[y=x^2-9\] \[y=x^2+2x+9\]

OpenStudy (anonymous):

B. \[y=x^2\] \[y=x^2+2x+9\]

OpenStudy (anonymous):

C. \[y=x^2+2x\] \[y=x^2+9\]

OpenStudy (anonymous):

D. \[y=x^2\] \[y=2x+9\]

OpenStudy (anonymous):

look at this : (a+b)^2=a^2+2ab+b^2

OpenStudy (anonymous):

k ?

OpenStudy (anonymous):

Okay...

OpenStudy (anonymous):

@lucaz ??

OpenStudy (isaiah.feynman):

LOOKS LIKE THE ANSWER IS B.

OpenStudy (lucaz):

you have to rearrange the equation and see what option matches, I think it's b too

OpenStudy (anonymous):

Thanks guys!

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