Find equation of line?

2 ⤊

An object will travel along a straight line in two dimensional space from the point (2,1) to the point (4,-5). Find the equation of this line.

2007-12-19 01:58:07 · 4 answers · asked by dustin_r_85 1 in Science & Mathematics ➔ Mathematics

m = (- 5 - 1) / (4 - 2)
m = - 3
y - 1 = (-3) (x - 2)
y = - 3x + 6 + 1
y = - 3x + 7

2007-12-19 09:44:27 · answer #1 · answered by Como 7 · 2⤊ 0⤋

y-1 = [(1+5) / (2-4)] (x-2)
y-1 = -3(x-2)
y-1 = -3x+6
3x + y -7 = 0

get it? 10 pts?

2007-12-19 10:04:13 · answer #2 · answered by RYAN 3 · 0⤊ 0⤋

y = -3x+7

2007-12-19 10:01:09 · answer #3 · answered by Anonymous · 0⤊ 0⤋

First find the slope.....

2007-12-19 10:02:02 · answer #4 · answered by frothuk 4 · 0⤊ 0⤋