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Mathematics 12 Online
OpenStudy (anonymous):

x^2+8x+18 solve using the quadratic formula with 2 imaginary numbers

OpenStudy (anonymous):

answer should be 2 imaginary numbers right?

OpenStudy (anonymous):

2 complex conjugates

OpenStudy (anonymous):

oh i see

OpenStudy (anonymous):

what are they please?

OpenStudy (anonymous):

do you know how to use the quadratic formula?

OpenStudy (anonymous):

yes lol.

OpenStudy (anonymous):

well the discriminant is b^2-4ac=-8 whats the square root of -8?

OpenStudy (anonymous):

2i sqrt2?

OpenStudy (anonymous):

right, so just use the quadratic formula, the radicand will come out to that

OpenStudy (anonymous):

but im lazy u do it =p

OpenStudy (anonymous):

too much work

OpenStudy (anonymous):

yeah, same here

OpenStudy (anonymous):

lol

OpenStudy (anonymous):

ur mean =/

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