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Mathematics 19 Online
OpenStudy (anonymous):

Someone care to check me on this? a=3 b=4 c=2 write out the quadratic formula using these values. Write answer as a complex number using the notation a+/- bi. I got -4i+/-√ 2/3. Is this the correct answer, and is it written in the right form??

OpenStudy (ness9630):

Check it again..

OpenStudy (yttrium):

How did you did the process @supernerd ? It's just mere substitution.

OpenStudy (anonymous):

I tried it again and got the same answer. I plugged it all into the quadratic formula: -b√ -b^2-4(a)(c)/2(a). D; @Ness9630 @Yttrium

OpenStudy (ness9630):

Does latex work yet?

OpenStudy (yttrium):

a=3, b=4, c=2 [-4 +/- sqrt (16-24)]/6 Hence, -4/6 +/- 2(sqrt2)i/6 Therefore, -2/3 +/- sqrt2i/6 Check this out.

OpenStudy (anonymous):

Is that our final answer or do we simplify that? :3

OpenStudy (yttrium):

It is already simplified tho.

OpenStudy (unklerhaukus):

there is a small mistake on your third line @Yttrium

OpenStudy (yttrium):

Oh I see. Correction: Therefore, -2/3 +/- sqrt2i/3

OpenStudy (ness9630):

^That's better. I think it'd be better to have the i infront of the radical tho.

OpenStudy (yttrium):

-2/3 +/- i sqrt(2)/3

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