题库搜索>问题求解PS-13768
The graph of which of the following equations is a straight line that is parallel to line l in the figure above?
分析A选项
分析B选项
分析C选项
分析D选项
分析E选项
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y=kx+b ; ax+by+c=0 k=-a/b
原图像的K=-（2/3）
A的斜率为2/3
B/C的斜率都是-（2/3)与原图像平行。
JoeyLau
直接用两点坐标求斜率的公式即k=（Y1-Y2）/（X1-X2）
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2021-09-19 16:59:10
207719lklq
解析？。？？无语
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2021-05-30 16:13:04
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