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一般式的斜率怎么求

更新时间: 2021-02-23 00:31:28     

一般式的斜率求法如下。

1、直线方程为一般式:Ax+By+C=0 斜率为-A/B

2、直线方程为斜截式:y=kx+b 斜率为k

3、直线方程为点斜式:y-y1=k(x-x1) 斜率为k.

4、直线方程为截距式:x/a+y/b=1 斜率为-b/a

5、直线方程为两点式:(y-y1)/(x-x1)=(y2-y1)/(x2-x1) 斜率为(y2-y1)/(x2-x1)

6、直线方程为参数式:

x=x0+lt

y=y0+mt 斜率k=m/l

关键词: 一般 斜率 怎么

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