Mathematics
20 Online
OpenStudy (anonymous):
Complete the square.
x^2 - 12x
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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)
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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
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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
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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):
?
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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.