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OpenStudy (phebe):
can u help me wit a question
OpenStudy (phebe):
Write an equation in slope-intercept, point-slope, or standard form for the line with the given information. Explain why you chose the form you used?
OpenStudy (phebe):
A: passes through (-1,4) and (-5,2)
OpenStudy (nikato):
which form do you want to do?
OpenStudy (phebe):
standard form
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OpenStudy (thomas5267):
If I am you, I would use point-slope form. We have to find the point-slope form before finding the standard form (as far as I know).
First of all, try to find the slope.
OpenStudy (phebe):
ok i'll udse point- slope form then
OpenStudy (phebe):
ok so how do i do this
OpenStudy (nikato):
do you know what the point slope form is?
OpenStudy (phebe):
1/2 is the slope
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OpenStudy (phebe):
yea i think so
OpenStudy (phebe):
mid point is (-3,3)
OpenStudy (nikato):
\[y-y _{1}=m(x-x _{1})\]
OpenStudy (nikato):
you do not need the midpoint
just plug in your slope for m
and just one of the points
OpenStudy (phebe):
what point
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OpenStudy (phebe):
can u show me
OpenStudy (thomas5267):
The two points that are given (i.e. (-1,4) or (-5,2)). Just pick one.
OpenStudy (phebe):
ok
OpenStudy (phebe):
can u plug it in for me i don't know how to solve it
OpenStudy (phebe):
@nikato
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OpenStudy (thomas5267):
\[
y-y_1=m(x-x_1)
\]
Let say you pick the (-1,4) as the point. You know \(m=\dfrac{1}{2}\), \(y_1=4\) and \(x_1=-1\). Just make substitution and do it .