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mrossbainesl
mrossbainesl mrossbainesl
  • 05-01-2017
  • Mathematics
Answered

which equation in slope intercept form represents the line that passes through (-1,5) and (5,8)

Verified Answer :

apologiabiology
apologiabiology apologiabiology
  • 11-01-2017

find slope
slope between (x1,y1) and (x2,y2) is (y2-y1)/(x2-x1)
given
(-1,5) and (5,8)
slope=(8-5)/(5-(-1))=3/(5+1)=3/6=1/2

y=1/2x+b
sub a point
(-1,5)
x=-1, y=5
5=1/2(-1)+b
5=-1/2+b
add 1/2
5 and 1/2=b

y=1/2x+5 and 1/2
y=1/2x+11/2

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