jazzy164 jazzy164

17-04-2017
Mathematics

contestada

which equation of a line passes through the points (0 8)and(3 -1)

Respuesta :

17-04-2017

y=mx+b,

m=slope=(y2-y1)/(x2-x1)=(-1-8)/(3-0)=-9/3=-3

so m=-3 and we have

y=-3x+b, now using either point we can solve for b...I'll use (0,8)

8=-3(0)+b

8=0+b

b=8 thus our line is:

y=-3x+8

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