在直角坐标系中,直线L1的解析式为Y=2x-4,直线L2过原点且L2与直线L1交于点P(-2,a)1试求a的值2试问(-2,a)可以看作怎样的二元一次方程组的解3直线L1与X轴交于A,能求出三角形APO的面积吗?试试看4
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![在直角坐标系中,直线L1的解析式为Y=2x-4,直线L2过原点且L2与直线L1交于点P(-2,a)1试求a的值2试问(-2,a)可以看作怎样的二元一次方程组的解3直线L1与X轴交于A,能求出三角形APO的面积吗?试试看4](/uploads/image/z/6959587-67-7.jpg?t=%E5%9C%A8%E7%9B%B4%E8%A7%92%E5%9D%90%E6%A0%87%E7%B3%BB%E4%B8%AD%2C%E7%9B%B4%E7%BA%BFL1%E7%9A%84%E8%A7%A3%E6%9E%90%E5%BC%8F%E4%B8%BAY%3D2x-4%2C%E7%9B%B4%E7%BA%BFL2%E8%BF%87%E5%8E%9F%E7%82%B9%E4%B8%94L2%E4%B8%8E%E7%9B%B4%E7%BA%BFL1%E4%BA%A4%E4%BA%8E%E7%82%B9P%28-2%2Ca%291%E8%AF%95%E6%B1%82a%E7%9A%84%E5%80%BC2%E8%AF%95%E9%97%AE%EF%BC%88-2%2Ca%EF%BC%89%E5%8F%AF%E4%BB%A5%E7%9C%8B%E4%BD%9C%E6%80%8E%E6%A0%B7%E7%9A%84%E4%BA%8C%E5%85%83%E4%B8%80%E6%AC%A1%E6%96%B9%E7%A8%8B%E7%BB%84%E7%9A%84%E8%A7%A33%E7%9B%B4%E7%BA%BFL1%E4%B8%8EX%E8%BD%B4%E4%BA%A4%E4%BA%8EA%2C%E8%83%BD%E6%B1%82%E5%87%BA%E4%B8%89%E8%A7%92%E5%BD%A2APO%E7%9A%84%E9%9D%A2%E7%A7%AF%E5%90%97%3F%E8%AF%95%E8%AF%95%E7%9C%8B4)
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