Sapphire98 Sapphire98

18-05-2016
Mathematics

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use the given conditions to write an equation for the line in point slope form passing through (-5,7) and (-8,6)

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18-05-2016

point slope form is
y-y1=m(x-x1)
where slope=m
and (x1,y1) is a given point

slope=(y2-y1)/(x2-x1)
slope=(6-7)/(-8-(-5))=-1/(-8+5)=-1/-3=1/3

pick any point
(x,y)
(-5,7)

y-7=1/3(x+5) or
y-6=1/3(x+8)

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