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OpenStudy (anonymous):
OpenStudy (anonymous):
NVM I GOT EM
OpenStudy (anonymous):
IS IT D THEN C ?
terenzreignz (terenzreignz):
Nope.
OpenStudy (anonymous):
r u sure ?
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OpenStudy (anonymous):
how
terenzreignz (terenzreignz):
If by D then C, you mean your answer to the first question is the fourth choice, and your answer to the second question is the third choice, then, no.
terenzreignz (terenzreignz):
If you just read the first question thoroughly and have a quick browse over the choices, you shouldn't even have to think about it ^_^
(HINT: Standard form...)
terenzreignz (terenzreignz):
Although it helps to know how to convert...
\[\Large y - 3 = \frac12(x+6)\] First distribute the 1/2.
OpenStudy (anonymous):
oh yeah then it has to be C
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terenzreignz (terenzreignz):
Can you show your work?
OpenStudy (anonymous):
how @terenzreignz
terenzreignz (terenzreignz):
Distribute the 1/2 factor first...
\[\Large y - 3 = \color{red}{\frac12}(x+6)\]
OpenStudy (anonymous):
so 1/2 x and 3
OpenStudy (anonymous):
and then +3 on both sides so y=1/2x+6
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terenzreignz (terenzreignz):
I see... while what you did is not wrong, the question doesn't call for it...
The question wants the answer in standard form, or
\[\Large Ax + By = C\]
terenzreignz (terenzreignz):
So try to rearrange it in that form instead...
OpenStudy (anonymous):
whats C ?
terenzreignz (terenzreignz):
a constant... a number with no variable attached to it...
You got it up to this point, right?
\[\Large y - 3 =\frac12x + 3 \]
OpenStudy (anonymous):
yeah
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OpenStudy (anonymous):
so 3
terenzreignz (terenzreignz):
Instead of +3 both sides, why don't you -y both sides?
OpenStudy (anonymous):
so -3=1/2+3-y
terenzreignz (terenzreignz):
Yup... almost there, just two more steps... we want to get rid of that +3 on the right-side... any ideas?
OpenStudy (anonymous):
-3 on both
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terenzreignz (terenzreignz):
mhmm so you get?
OpenStudy (anonymous):
-6=1/2-y
terenzreignz (terenzreignz):
\[\Large \frac12x - y = -6\]
but that 1/2 is so ugly, why don't you multiply both sides by 2 to get rid of it? :)
OpenStudy (anonymous):
-12=-y
terenzreignz (terenzreignz):
No...
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OpenStudy (anonymous):
-12=x-2y
terenzreignz (terenzreignz):
And that's actually one of the answer-choices.
OpenStudy (anonymous):
can you help me with more ?
terenzreignz (terenzreignz):
Love to, but I have to go to school now ^_^
Sorry, I'm sure there are others who can help ... just give them a holler
Signing off
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