How to write an equation with 2 points?
2007-10-31 10:20 pm
How to write an equation with 2 points? lets say we have (2, 4) (5, 2), how you write an equation out of that?
回答 (1)
2007-11-01 1:53 am
✔ 最佳答案
2-point form:(y-y1)/(x-x1) = (y2-y1)/(x2-x1)
(x1,y1) = ( 2,4) and (x2,y2) = (5,2)
(y-4)/(x-2) = (2-4)/(5-2)
(y-4)/(x-2) = -2/3
3y-12=-2x+4
2x+3y-16=0
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https://hk.answers.yahoo.com/question/index?qid=20071031000051KK01482