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Which is an equation in point slope form of the line that passes through the points (-4, -1) and (5,7) A y+4=9/8(X+1) B y+1=8/9(x+4) C y+1=8/7(x+4) D y-1=8/9(x-4)
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Which is an equation in point slope form of the line that passes through the points (-4, -1) and (5,7)

A y+4=9/8(X+1)
B y+1=8/9(x+4)
C y+1=8/7(x+4)
D y-1=8/9(x-4)

User Cynical
by
5.8k points

1 Answer

4 votes
B)
First, find the slope.
(7+1)/(5+4)
8/9

Then, plug in a point and the slope.
y-y1=m(x-x1)
Because all of the choices use (-4,-1), we will do the same.
y-(-1)=(8/9)[x-(-4)]
y+1=(8/9)(x+4)
There's your answer.
User Gunilla
by
6.0k points
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