pls help will fan and medal @slinley ?
What is the slope-intercept form of the function that contains the point (3, 4) and has a slope of 2?
y =_____ x + ____
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OpenStudy (kidrah69):
y=mx+b
m=slope
OpenStudy (kidrah69):
here you want to use the point slop equation
\[y-y1=m(x-x1)\]
OpenStudy (kidrah69):
we know our slope is 2
and our v-3 and y-4
can you plug them in?
OpenStudy (hi54321):
yes?
OpenStudy (kidrah69):
plug them in show me
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OpenStudy (hi54321):
idk how sorry that's why I need help
OpenStudy (kidrah69):
Ok slope=2 plug that in place of M
3 is the X value plug that in place of X1
4 is the Y value plug that in place of Y1
OpenStudy (hi54321):
so y=4 and x=3?
OpenStudy (kidrah69):
\[y-4=2(x-3)\]
should look like this
OpenStudy (kidrah69):
now just solve that do you know how?
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OpenStudy (hi54321):
no sorry
OpenStudy (hi54321):
@kidrah69 ?
OpenStudy (kidrah69):
we want to get it in y=mx+b form SO
lets distribute
2(x-3)
\[2\times~x=?\]
\[2\times-3=?\]
OpenStudy (hi54321):
-6?
OpenStudy (kidrah69):
right so we have
\[y-4=2x-6\]
add 4 to both sides
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OpenStudy (kidrah69):
-6+4=?
OpenStudy (hi54321):
-2
OpenStudy (kidrah69):
right so y=2x-2
OpenStudy (kidrah69):
that would be the final answer
OpenStudy (hi54321):
can you help with a few more?
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