please help;
what is the equation of a line with the given points are (4,-1), (-2,-6)
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OpenStudy (amorfide):
to get the equation of a line you do
y-y1=m(x-x1)
y1 is a y coordinate
x1 is an x coordinate
OpenStudy (amorfide):
to get the gradient
|dw:1350247890237:dw|
OpenStudy (amorfide):
y2 and y1 being the y coordinates
x2 and x1 being the x coordinates
OpenStudy (anonymous):
find slope first (y1-y2) / (x1-x2)
so it is (-6 - (-1)) / (-2 - 4) = 5/6
y = mx + b
y= 5/6x + b
-1 = 5/6(4) + b
solvve for b
b = -26/6
eq: y= 5/6x -26/6
OpenStudy (anonymous):
alright i did that and got y=-7/6 x + 11/3
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OpenStudy (anonymous):
to jayz657, i think its y2-y1/x2-x1..... to find slope right?
OpenStudy (anonymous):
doesnt matter you get slope either way
y1 and y2 is to show these are 2 different numbers at 2 different points
OpenStudy (anonymous):
aight
OpenStudy (anonymous):
shount it be -5/6
OpenStudy (anonymous):
its positive for me check your signs
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