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OpenStudy (anonymous):
OpenStudy (anonymous):
Solve for y and graph the line.
OpenStudy (anonymous):
grath?
OpenStudy (anonymous):
no need
OpenStudy (anonymous):
y=1/5x+3
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OpenStudy (anonymous):
find the x and y intercepts,
plot those points
connect the dots
OpenStudy (anonymous):
y=-1/5x+3
OpenStudy (anonymous):
to find the y intercept put \(x=0\) and get \[5y=15\\y=3\] so you know \((0,3)\) is on the graph
OpenStudy (anonymous):
i got all these possible answers
OpenStudy (anonymous):
to find the x intercept by \(y=0\) and get
\[x=15\] right away, so \((15,0)\) is on the graph
plot the points, connect the dots
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OpenStudy (anonymous):
geometric figure:line
OpenStudy (anonymous):
@satellite73 15 how would i graph that?
OpenStudy (anonymous):
\((15,0)\) is 15 units to the right of the origin on the x axis
OpenStudy (anonymous):
that was a mistake sorry let me try again
OpenStudy (anonymous):
|dw:1416452154169:dw|
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OpenStudy (anonymous):
OpenStudy (anonymous):
thats ok, we can get another point, since your graph will not reach there
OpenStudy (anonymous):
if you make \(x=5\) then you get
\[5+5y=15\\
5y=10\\
y=2\] so plot the point \((5,2)\)
OpenStudy (anonymous):
ok
OpenStudy (anonymous):
|dw:1416452295061:dw|
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OpenStudy (anonymous):
and if \(x=10\) then
\[10+5y=15\\
5y=5\\
y=1\] so you can also plot \((10,1)\)
OpenStudy (anonymous):
|dw:1416452370614:dw|
OpenStudy (anonymous):
(5,2)?
OpenStudy (anonymous):
x + 5y = 15
you have to y by itself so subtract x to both sides
5y = -x + 15
then divde 5 by both sides and get
y=-1/5x + 3
OpenStudy (anonymous):
no wait im going to re-try that
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OpenStudy (anonymous):
oh no dear, that is \((2,5)\)
OpenStudy (anonymous):
ok i wait
OpenStudy (anonymous):
satellite73 (Moderator) is right (2) (5)
OpenStudy (anonymous):
OpenStudy (anonymous):
you have \((5,3)\) right 5 up 3
you want \((5,2)\) right 5, up 2
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OpenStudy (anonymous):
OpenStudy (anonymous):
count the steps, including the first one
OpenStudy (anonymous):
ok now the \((5,2)\) is right
the other two are not on the graph
find \((10,1)\)
OpenStudy (anonymous):
right 10, up 1
OpenStudy (anonymous):
better? im sorry im bad at this
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OpenStudy (anonymous):
great
now we have one point \((5,2)\) correct and on the graph
now lets plot another point \((0,3)\) you need at least two for the line
\((0,3)\) is 3 units up on the y axis
put a dot there
OpenStudy (anonymous):
way better?
OpenStudy (anonymous):
way way better
now add one more point, add \((0,3)\)
OpenStudy (anonymous):
OpenStudy (anonymous):
ok got it!!
take a ruler, connect the dots, go have a snack
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OpenStudy (anonymous):
you should see that they line up nicely when you do this
OpenStudy (anonymous):
thank you so so much sorry for giving you a struggle
OpenStudy (anonymous):
hey np, that is why you are here, for help
OpenStudy (anonymous):
or ten? @satellite73
OpenStudy (anonymous):
to solve the equation?^
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OpenStudy (anonymous):
what?
OpenStudy (anonymous):
@Yonceee
OpenStudy (anonymous):
to solve the equation
OpenStudy (anonymous):
you got the graph right? do you need to solve for \(y\) as well?