(2008•重庆)已知:如图,抛物线y=ax2-2ax+c(a≠0)与y轴交于点C(0,4),(1)求该抛物线的解析式;(2)点Q是线段AB上的动点,过点Q作QE∥AC,交BC于点E,连接CQ.当△CQE的面积最大时,求点Q的
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![(2008•重庆)已知:如图,抛物线y=ax2-2ax+c(a≠0)与y轴交于点C(0,4),(1)求该抛物线的解析式;(2)点Q是线段AB上的动点,过点Q作QE∥AC,交BC于点E,连接CQ.当△CQE的面积最大时,求点Q的](/uploads/image/z/3911702-14-2.jpg?t=%EF%BC%882008%26%238226%3B%E9%87%8D%E5%BA%86%EF%BC%89%E5%B7%B2%E7%9F%A5%EF%BC%9A%E5%A6%82%E5%9B%BE%2C%E6%8A%9B%E7%89%A9%E7%BA%BFy%3Dax2-2ax%2Bc%EF%BC%88a%E2%89%A00%EF%BC%89%E4%B8%8Ey%E8%BD%B4%E4%BA%A4%E4%BA%8E%E7%82%B9C%EF%BC%880%2C4%EF%BC%89%2C%EF%BC%881%EF%BC%89%E6%B1%82%E8%AF%A5%E6%8A%9B%E7%89%A9%E7%BA%BF%E7%9A%84%E8%A7%A3%E6%9E%90%E5%BC%8F%EF%BC%9B%EF%BC%882%EF%BC%89%E7%82%B9Q%E6%98%AF%E7%BA%BF%E6%AE%B5AB%E4%B8%8A%E7%9A%84%E5%8A%A8%E7%82%B9%2C%E8%BF%87%E7%82%B9Q%E4%BD%9CQE%E2%88%A5AC%2C%E4%BA%A4BC%E4%BA%8E%E7%82%B9E%2C%E8%BF%9E%E6%8E%A5CQ%EF%BC%8E%E5%BD%93%E2%96%B3CQE%E7%9A%84%E9%9D%A2%E7%A7%AF%E6%9C%80%E5%A4%A7%E6%97%B6%2C%E6%B1%82%E7%82%B9Q%E7%9A%84)
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