Mathematics
8 Online
OpenStudy (anonymous):
Can someone please help me? :3
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OpenStudy (anonymous):
OpenStudy (anonymous):
@Nnesha
OpenStudy (anonymous):
@dmndlife24
OpenStudy (anonymous):
@dan815
OpenStudy (anonymous):
@incomplte
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OpenStudy (anonymous):
u should complete the square
OpenStudy (anonymous):
divide coefficient of x by 2
OpenStudy (anonymous):
then u get first number in brackets
OpenStudy (anonymous):
okay so I complete the square but the rest I dont kow how to do.
OpenStudy (anonymous):
i gave u the first hint
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OpenStudy (anonymous):
then square that number u get 49... -49+42=-7 so u get 7 the second missing number
OpenStudy (anonymous):
this is what I got completing the square
OpenStudy (anonymous):
this is right :)
OpenStudy (anonymous):
Good
OpenStudy (anonymous):
Okay, so now what. How do I get the form?
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OpenStudy (anonymous):
The form is 7 in missing blanks
OpenStudy (anonymous):
both of them are 7?
OpenStudy (anonymous):
yup
OpenStudy (anonymous):
and the one with + or -?
OpenStudy (anonymous):
that was the answer for x
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OpenStudy (anonymous):
as a result of squaring u get + _
OpenStudy (anonymous):
oh okay so x=7 so how do I find the form?
OpenStudy (anonymous):
nop. x was what you wrote -7+ - sqrt7
OpenStudy (anonymous):
okay I don't know what your saying. where do I put the 7?
OpenStudy (anonymous):
in both missing squares
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OpenStudy (anonymous):
u choose the first with + form
OpenStudy (anonymous):
okay but the one with the + or the -, i cannot put the answer in both it has to be one of the other
OpenStudy (anonymous):
+form
OpenStudy (anonymous):
okay so +
OpenStudy (anonymous):
aha
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OpenStudy (anonymous):
is it good ?
OpenStudy (anonymous):
like this?
OpenStudy (anonymous):
@mlearning24
OpenStudy (anonymous):
yup true
OpenStudy (anonymous):
okay so what about x= ?
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OpenStudy (anonymous):
-7+-sqrt7
OpenStudy (anonymous):
It has to be in decimal form
OpenStudy (anonymous):
so calculate it on
OpenStudy (anonymous):
both - and +
OpenStudy (anonymous):
use calculator for: -7+sqrt7
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OpenStudy (anonymous):
use calculator for -7-sqrt7
OpenStudy (anonymous):
what do I calculate? and shouldnt it be radical 7?
OpenStudy (anonymous):
separate answers with commas
OpenStudy (anonymous):
round nearest hundredth
OpenStudy (anonymous):
so -4.35 and -9.65?
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OpenStudy (anonymous):
perfect
OpenStudy (anonymous):
I guess am done :)
OpenStudy (anonymous):
I have another same kind of problem
OpenStudy (anonymous):
ops. do it and I check if it is right :)
OpenStudy (anonymous):
u can open a new quest
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OpenStudy (anonymous):
I'm just really having trouble on how I get the form. That's the only thing I'm not understanding
OpenStudy (anonymous):
@mlearning24