如图,在平面直角坐标系中,直线Y=3/4X+8交X轴于E,交Y轴于A,把直线Y=-2X-7沿X轴向右 平移2个单位后交X轴于D交Y轴于B,交直线AE于C(1)求线段AB的长,(2)在直线AE上是否存在一点F,是BA是△BCF的中线,若存
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![如图,在平面直角坐标系中,直线Y=3/4X+8交X轴于E,交Y轴于A,把直线Y=-2X-7沿X轴向右 平移2个单位后交X轴于D交Y轴于B,交直线AE于C(1)求线段AB的长,(2)在直线AE上是否存在一点F,是BA是△BCF的中线,若存](/uploads/image/z/8390225-65-5.jpg?t=%E5%A6%82%E5%9B%BE%2C%E5%9C%A8%E5%B9%B3%E9%9D%A2%E7%9B%B4%E8%A7%92%E5%9D%90%E6%A0%87%E7%B3%BB%E4%B8%AD%2C%E7%9B%B4%E7%BA%BFY%3D3%2F4X%2B8%E4%BA%A4X%E8%BD%B4%E4%BA%8EE%2C%E4%BA%A4Y%E8%BD%B4%E4%BA%8EA%2C%E6%8A%8A%E7%9B%B4%E7%BA%BFY%3D-2X-7%E6%B2%BFX%E8%BD%B4%E5%90%91%E5%8F%B3+%E5%B9%B3%E7%A7%BB2%E4%B8%AA%E5%8D%95%E4%BD%8D%E5%90%8E%E4%BA%A4X%E8%BD%B4%E4%BA%8ED%E4%BA%A4Y%E8%BD%B4%E4%BA%8EB%2C%E4%BA%A4%E7%9B%B4%E7%BA%BFAE%E4%BA%8EC%281%29%E6%B1%82%E7%BA%BF%E6%AE%B5AB%E7%9A%84%E9%95%BF%2C%282%29%E5%9C%A8%E7%9B%B4%E7%BA%BFAE%E4%B8%8A%E6%98%AF%E5%90%A6%E5%AD%98%E5%9C%A8%E4%B8%80%E7%82%B9F%2C%E6%98%AFBA%E6%98%AF%E2%96%B3BCF%E7%9A%84%E4%B8%AD%E7%BA%BF%2C%E8%8B%A5%E5%AD%98)
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