直线y等于2x减6与反比例函数y等于x分之k(x大于0) 的图像交于点a(4,2),与x轴交于点b 1.求k的值及点b的坐标 2.在x轴上是否存在点c,使得三角形abc为等腰三角形,若存在,求出点c的坐标,
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![直线y等于2x减6与反比例函数y等于x分之k(x大于0) 的图像交于点a(4,2),与x轴交于点b 1.求k的值及点b的坐标 2.在x轴上是否存在点c,使得三角形abc为等腰三角形,若存在,求出点c的坐标,](/uploads/image/z/3147229-37-9.jpg?t=%E7%9B%B4%E7%BA%BFy%E7%AD%89%E4%BA%8E2x%E5%87%8F6%E4%B8%8E%E5%8F%8D%E6%AF%94%E4%BE%8B%E5%87%BD%E6%95%B0y%E7%AD%89%E4%BA%8Ex%E5%88%86%E4%B9%8Bk%EF%BC%88x%E5%A4%A7%E4%BA%8E0%EF%BC%89+%E7%9A%84%E5%9B%BE%E5%83%8F%E4%BA%A4%E4%BA%8E%E7%82%B9a%EF%BC%884%2C2%EF%BC%89%EF%BC%8C%E4%B8%8Ex%E8%BD%B4%E4%BA%A4%E4%BA%8E%E7%82%B9b+1.%E6%B1%82k%E7%9A%84%E5%80%BC%E5%8F%8A%E7%82%B9b%E7%9A%84%E5%9D%90%E6%A0%87+2.%E5%9C%A8x%E8%BD%B4%E4%B8%8A%E6%98%AF%E5%90%A6%E5%AD%98%E5%9C%A8%E7%82%B9c%EF%BC%8C%E4%BD%BF%E5%BE%97%E4%B8%89%E8%A7%92%E5%BD%A2abc%E4%B8%BA%E7%AD%89%E8%85%B0%E4%B8%89%E8%A7%92%E5%BD%A2%EF%BC%8C%E8%8B%A5%E5%AD%98%E5%9C%A8%EF%BC%8C%E6%B1%82%E5%87%BA%E7%82%B9c%E7%9A%84%E5%9D%90%E6%A0%87%EF%BC%8C)
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