Mathematics
11 Online
OpenStudy (1645323):
zero for this equation :y=x^2-6x-4
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OpenStudy (1645323):
@yellowlegoguy99
OpenStudy (yellowlegoguy99):
Why me? :P
OpenStudy (1645323):
i don't know i just typed in a random username
OpenStudy (1645323):
you are the chosen one
OpenStudy (yellowlegoguy99):
:O
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OpenStudy (1645323):
whats the zero?
OpenStudy (yellowlegoguy99):
Do you have any choices I can pick?
OpenStudy (1645323):
no
OpenStudy (yellowlegoguy99):
I'm only good with stuff that I can pick through, cause I understand it more, sorry
OpenStudy (1645323):
ok
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OpenStudy (anonymous):
The zeroes are 6.61, and -0.61
OpenStudy (1645323):
@AnswerMyQuestions
OpenStudy (anonymous):
@1645323 I told you that the zeroes are 6.61 and -0.61
OpenStudy (1645323):
no they dont work
OpenStudy (anonymous):
x^2-6x-4
make a perfect square
(x^2-2*x*3+3^2)-3^2-4=0
(x-3)^2-9-4=0
x-3)^2=13
x-3=sqrt13
x=3+sqrt13
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OpenStudy (anonymous):
sqrt13= + - 3.605
OpenStudy (anonymous):
x=3+3.605=6.605
and
x=3-3.605=-0.605
OpenStudy (anonymous):
@1645323
OpenStudy (1645323):
dude htey dont work i get -.003975 @g17
OpenStudy (anonymous):
What do you mean?
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OpenStudy (anonymous):
Those are the approximate answers.
OpenStudy (anonymous):
I rounded them.
OpenStudy (1645323):
after i put what he got into the equation that is my final answer
OpenStudy (anonymous):
x = -0.60555128 or 6.6055513
OpenStudy (anonymous):
The zeroes are REPEATING decimals.
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OpenStudy (anonymous):
-0.003975 is wrong loll @1645323
OpenStudy (1645323):
what the crap. just tell me the rightr answer
OpenStudy (anonymous):
I did.
OpenStudy (anonymous):
There are 2 right answers:
x = -0.60555128 or 6.6055513
OpenStudy (1645323):
ok