Mathematics
8 Online
OpenStudy (anonymous):
Okay, I'll try again. It was x-y=-3. (7th grade math)
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Nnesha (nnesha):
solve for x or y ???
question ??
OpenStudy (anonymous):
The directions are " Find the x-intercept and y-intercept of each line " so i m confused on how to solve for x or y.
OpenStudy (kendricklamar2014):
Lets solve for X first @ihatespiders
OpenStudy (kendricklamar2014):
First, add y to both sides
OpenStudy (kendricklamar2014):
x - y + y = -3 + y
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OpenStudy (kendricklamar2014):
Can you solve that ^ @ihatespiders
OpenStudy (anonymous):
i got x=-2
OpenStudy (kendricklamar2014):
Wrong, first solve that ^^
OpenStudy (kendricklamar2014):
x - y + y = leaves only x because -y + y cancels out the y's
OpenStudy (kendricklamar2014):
-3 + y = y - 3
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OpenStudy (kendricklamar2014):
So for the X-intercept, X = Y - 3
OpenStudy (kendricklamar2014):
Do you get it so far @ihatespiders
OpenStudy (anonymous):
Hi - she got frustrated and walked away. Thanks for your help thought!
Nnesha (nnesha):
x-intercept when y = 0
so for intercept you have to replace y by 0 and then solve
Nnesha (nnesha):
y-intercept when x=0
so to find y -intercept replace x by 0 and then solve
can you do it now ??
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Nnesha (nnesha):
|dw:1421728012263:dw|
for x-intercept now solve for x