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29-09-2016
Mathematics

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Find the equation of the line that has slope -5/7 and which passes through (-1,-4)

The equation of the line is ?
Answer in slope-intercept form.)

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apologiabiology apologiabiology

29-09-2016

in point slope form
slope=m

a point is (x1,y1)
y-y1=m(x-x1)

point is (-1,-4)
slope is -5/7

y-(-4)=-5/7(x-(-1))
y+4=-5/7(x+1)
distribute
y+4=-5/7x-5/7
minus 4 (or 28/7) from both sides
y=-5/7x-33/7

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