ashton20 ashton20

15-02-2017
Mathematics

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write the points (-3,5) and (1,1) in slope-intercept form

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apologiabiology apologiabiology

15-02-2017

y=mx+b
m=slope
b=yint

find slope
slope between (x1,y1) and (x2,y2) is (y1-y2)/(x1-x2)

given
(-3,5) and (1,1)
slope=(5-1)/(-3-1)=4/-4=-1

y=-1x+b
find b
when x=1, then y=1
1=-1(1)+b
1=-1+b
add 1
2=b

y=-x+2

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