用二元一次方程解一次函数,求坐标(1)直线m:y=-x-1与直线n:y=kx+2(k>0)的交点A在第二象限.直线n与x轴交于B于y轴交于C,∠AOC=∠ACO,则A的坐标为?B的坐标为?(2)直线y1=3/4x+b与x轴负半轴交于D,
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![用二元一次方程解一次函数,求坐标(1)直线m:y=-x-1与直线n:y=kx+2(k>0)的交点A在第二象限.直线n与x轴交于B于y轴交于C,∠AOC=∠ACO,则A的坐标为?B的坐标为?(2)直线y1=3/4x+b与x轴负半轴交于D,](/uploads/image/z/14559250-58-0.jpg?t=%E7%94%A8%E4%BA%8C%E5%85%83%E4%B8%80%E6%AC%A1%E6%96%B9%E7%A8%8B%E8%A7%A3%E4%B8%80%E6%AC%A1%E5%87%BD%E6%95%B0%2C%E6%B1%82%E5%9D%90%E6%A0%87%EF%BC%881%EF%BC%89%E7%9B%B4%E7%BA%BFm%EF%BC%9Ay%3D-x-1%E4%B8%8E%E7%9B%B4%E7%BA%BFn%EF%BC%9Ay%3Dkx%2B2%28k%EF%BC%9E0%EF%BC%89%E7%9A%84%E4%BA%A4%E7%82%B9A%E5%9C%A8%E7%AC%AC%E4%BA%8C%E8%B1%A1%E9%99%90.%E7%9B%B4%E7%BA%BFn%E4%B8%8Ex%E8%BD%B4%E4%BA%A4%E4%BA%8EB%E4%BA%8Ey%E8%BD%B4%E4%BA%A4%E4%BA%8EC%2C%E2%88%A0AOC%3D%E2%88%A0ACO%2C%E5%88%99A%E7%9A%84%E5%9D%90%E6%A0%87%E4%B8%BA%3FB%E7%9A%84%E5%9D%90%E6%A0%87%E4%B8%BA%3F%EF%BC%882%EF%BC%89%E7%9B%B4%E7%BA%BFy1%3D3%2F4x%2Bb%E4%B8%8Ex%E8%BD%B4%E8%B4%9F%E5%8D%8A%E8%BD%B4%E4%BA%A4%E4%BA%8ED%2C)
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