PLEASE HELP WILL GIVE MEDAL!
Solve the equation. If necessary, round your answer to the nearest tenth
x^2=324
A.-18,18
B. 18
C.-162,162
D.162
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OpenStudy (anonymous):
divide x on both sides
OpenStudy (anonymous):
IT WOULD -18 OR JUST 18
OpenStudy (anonymous):
I Got d :/
OpenStudy (anonymous):
So is it A? cause I think im doing this wrong :( @edwards555
OpenStudy (anonymous):
how r u doing it
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OpenStudy (anonymous):
I divided 324 b 2, which I think is wrong.. but it gave me D
OpenStudy (anonymous):
First you take 18 x 18 that other person is wrong dont give that person ur medal even my teacher came over to check it its right im only in 7th grade but I still got it
OpenStudy (anonymous):
O okay
OpenStudy (anonymous):
So that gives u 324 so its B
OpenStudy (anonymous):
ya
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OpenStudy (anonymous):
Wht about this one?
4x2 = 81
A. 2.25, -2.25
b. 4.5, -4.5
c.9,-9
d. 20.25,-20.25
OpenStudy (anonymous):
hold on
OpenStudy (anonymous):
okay
OpenStudy (anonymous):
wheres the variable
OpenStudy (anonymous):
its 4x^2 so after the x
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OpenStudy (anonymous):
its would be uh 4x-2=4
OpenStudy (anonymous):
any other ones
OpenStudy (anonymous):
wait so.. its.. B?
OpenStudy (anonymous):
ya its b
OpenStudy (anonymous):
oh okay I get it, im going to get the next one pulled up..
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OpenStudy (anonymous):
OpenStudy (anonymous):
k
OpenStudy (anonymous):
Did the attachment pull up?
OpenStudy (anonymous):
ya heres the anser x2 - 96 = 0
OpenStudy (anonymous):
So how would I put that into an answer choice?
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OpenStudy (anonymous):
± 4 • √ 6
OpenStudy (anonymous):
8th
OpenStudy (anonymous):
it is a
OpenStudy (anonymous):
Ahh okay I get it now
OpenStudy (anonymous):
im in 7th cause i got held back 2 years or 1
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OpenStudy (anonymous):
I think it is D. but I am not sure if I did it right im in a lower grade than you..