已知直线y=1/2x与双曲线y=k/x(k>0)交于A、B两点,且A的横坐标为4,求k的值已知直线y=1/2x与双曲线y=k/x(k>0)交于A、B两点,且A的横坐标为4,①求k的值,②若双曲线y=k/x(k>0)上一点C的纵坐标为8,求△AOC的面
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![已知直线y=1/2x与双曲线y=k/x(k>0)交于A、B两点,且A的横坐标为4,求k的值已知直线y=1/2x与双曲线y=k/x(k>0)交于A、B两点,且A的横坐标为4,①求k的值,②若双曲线y=k/x(k>0)上一点C的纵坐标为8,求△AOC的面](/uploads/image/z/3832509-21-9.jpg?t=%E5%B7%B2%E7%9F%A5%E7%9B%B4%E7%BA%BFy%3D1%2F2x%E4%B8%8E%E5%8F%8C%E6%9B%B2%E7%BA%BFy%3Dk%2Fx%28k%3E0%29%E4%BA%A4%E4%BA%8EA%E3%80%81B%E4%B8%A4%E7%82%B9%2C%E4%B8%94A%E7%9A%84%E6%A8%AA%E5%9D%90%E6%A0%87%E4%B8%BA4%2C%E6%B1%82k%E7%9A%84%E5%80%BC%E5%B7%B2%E7%9F%A5%E7%9B%B4%E7%BA%BFy%3D1%2F2x%E4%B8%8E%E5%8F%8C%E6%9B%B2%E7%BA%BFy%3Dk%2Fx%28k%3E0%29%E4%BA%A4%E4%BA%8EA%E3%80%81B%E4%B8%A4%E7%82%B9%2C%E4%B8%94A%E7%9A%84%E6%A8%AA%E5%9D%90%E6%A0%87%E4%B8%BA4%2C%E2%91%A0%E6%B1%82k%E7%9A%84%E5%80%BC%2C%E2%91%A1%E8%8B%A5%E5%8F%8C%E6%9B%B2%E7%BA%BFy%3Dk%2Fx%28k%3E0%29%E4%B8%8A%E4%B8%80%E7%82%B9C%E7%9A%84%E7%BA%B5%E5%9D%90%E6%A0%87%E4%B8%BA8%2C%E6%B1%82%E2%96%B3AOC%E7%9A%84%E9%9D%A2)
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