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Mathematics 20 Online
OpenStudy (anonymous):

Complete the square. x^2 - 12x

OpenStudy (anonymous):

\[x ^{2}-12x+36-36 \implies (x-6)^{2}-36\]

OpenStudy (anonymous):

what?

OpenStudy (anonymous):

thats not a choice

OpenStudy (anonymous):

see for completing the square ,we do:; add and subtract (-1/2) coeffiecient of x

OpenStudy (anonymous):

x(x-12)

OpenStudy (anonymous):

your choices???????

OpenStudy (zzr0ck3r):

dude its not going to change:)

OpenStudy (zzr0ck3r):

I have explained this twice now:)

OpenStudy (zzr0ck3r):

its B, and tell your teacher the question is framed wrong

OpenStudy (zzr0ck3r):

no

OpenStudy (zzr0ck3r):

his choices are like 2(x-6), (x+6)^2, (x-6)^2

OpenStudy (anonymous):

well I have another question

OpenStudy (anonymous):

what?

OpenStudy (anonymous):

Complete the square. x^2 + 7x

OpenStudy (zzr0ck3r):

(x+3.5)^2 + 3.5^2

OpenStudy (zzr0ck3r):

i bet your answer is (x+3.5)^2

OpenStudy (zzr0ck3r):

or (x+7/2)^2

OpenStudy (anonymous):

for my second question?

OpenStudy (zzr0ck3r):

yes

OpenStudy (zzr0ck3r):

?

OpenStudy (anonymous):

okkay I have another one

OpenStudy (anonymous):

Which the given function rewritten in vertex form? y = x2 - 4

OpenStudy (zzr0ck3r):

your turn, we are not here to give you answers I just wanted you to understand why the real answer is different

OpenStudy (zzr0ck3r):

-b/(2a) what is a and what is b? Any more question post them new.

OpenStudy (callisto):

@alexis_holmes Please post a new question in a new post. Also, don't just look for answers. It's an learning site, not an answer-seeking site.

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