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OpenStudy (anonymous):
The points are ( 2, -5) and ( -1, 0)
OpenStudy (anonymous):
isn't that slope intercept form?
OpenStudy (aum):
y = mx + b is the slope-intercept form.
The standard form is: Ax + By = C
OpenStudy (anonymous):
what do I plug in where? @aum
OpenStudy (aum):
First find the equation of the line in slope-intercept form: y = mx + b
Then rearrange it to mx - y = -b to put it in standard form.
First find slope: m = (y2-y1)/(x2-x1).
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OpenStudy (anonymous):
Its going to be 5/-3
OpenStudy (aum):
yes, m = -5/3
y = -5/3x + b that passes through ( -1, 0)
put x = -1, y = 0 and find b.
OpenStudy (anonymous):
b is going to be -2
OpenStudy (aum):
y = -5/3x + b that passes through ( -1, 0)
put x = -1, y = 0 and find b.
0 = -5/3(-1) + b
0 = +5/3 + b
b = -5/3
OpenStudy (aum):
y = -5/3x - 5/3
multiply by 3:
3y = -5x - 5
add 5x:
5x + 3y =-5
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