How to write equation for line segment?

DE~D= (4,1)
E= (5,8)

2007-01-22 12:05:22 · 2 answers · asked by Jessica H 3 in Education & Reference ➔ Homework Help

do you mean for a line?

find the slope then plug into y=mx+b
m=slope
b=y intercept

2007-01-22 12:13:04 · answer #1 · answered by soccer15rules 3 · 0⤊ 0⤋

y-y1=(x-x1)(y2-y1)/(x2-x1)
y-1=(x-4)(8-1)/(5-4)
y-1=(x-4)7
y=7x-27

2007-01-22 12:09:36 · answer #2 · answered by fcas80 7 · 0⤊ 0⤋

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