Geometry
16 Online
OpenStudy (barrelracer17):
Indicate in standard form the equation of the line passing through the given points.
A(4, 1), B(5, 2)
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OpenStudy (anonymous):
do you know how to find the slope? you need that first
OpenStudy (barrelracer17):
yes i do
OpenStudy (anonymous):
what did you get?
OpenStudy (barrelracer17):
1
OpenStudy (anonymous):
ok good
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OpenStudy (anonymous):
next, do you know the "point - slope" formula?
OpenStudy (barrelracer17):
its the y-y1=M(x-x1)
OpenStudy (anonymous):
right
OpenStudy (barrelracer17):
i get all of that i just think im getting my math wrong
OpenStudy (anonymous):
you can use either point \((4,1)\) or \((5,2)\)
plug in the numbers
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OpenStudy (anonymous):
which point did you use?
OpenStudy (barrelracer17):
for the x i used 4 and the y i used 1
OpenStudy (anonymous):
ok then
\[y-1=1(x-4)\] is a first step, but really the writing the 1 is silly so you can write \[y-1=x-4\]
OpenStudy (barrelracer17):
okay
OpenStudy (anonymous):
then if you need to solve for \(y\) add \(1\) to both sides
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OpenStudy (anonymous):
not sure what mistake you made before, but i hope it is clearer now
OpenStudy (barrelracer17):
i dont know either just didnt look right to me
OpenStudy (barrelracer17):
and thank you for your help
OpenStudy (anonymous):
yw