2x+y-10=0
y=-2x+10
斜率是-2
垂直則斜率是負(fù)倒數(shù)
所以斜率是1/2
過a點(diǎn)
所以y-1=(1/2)(x-2)
所以x-2y=0
求經(jīng)過點(diǎn)a(2,1)且與直線2x+y-10=0垂直的直線方程
求經(jīng)過點(diǎn)a(2,1)且與直線2x+y-10=0垂直的直線方程
數(shù)學(xué)人氣:450 ℃時(shí)間:2020-09-30 14:45:10
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