初中代数试题如图,抛物线y=ax2+bx+c与x轴交于A,B两点(点A在点B左侧),与y轴交于点C,且当x=0和x=4时,y的值相等.直线y=4x-16与这条抛物线相较于两点,其中一点的横坐标是3,另一点是这条抛物线的顶
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![初中代数试题如图,抛物线y=ax2+bx+c与x轴交于A,B两点(点A在点B左侧),与y轴交于点C,且当x=0和x=4时,y的值相等.直线y=4x-16与这条抛物线相较于两点,其中一点的横坐标是3,另一点是这条抛物线的顶](/uploads/image/z/3930317-53-7.jpg?t=%E5%88%9D%E4%B8%AD%E4%BB%A3%E6%95%B0%E8%AF%95%E9%A2%98%E5%A6%82%E5%9B%BE%2C%E6%8A%9B%E7%89%A9%E7%BA%BFy%3Dax2%2Bbx%2Bc%E4%B8%8Ex%E8%BD%B4%E4%BA%A4%E4%BA%8EA%2CB%E4%B8%A4%E7%82%B9%EF%BC%88%E7%82%B9A%E5%9C%A8%E7%82%B9B%E5%B7%A6%E4%BE%A7%EF%BC%89%2C%E4%B8%8Ey%E8%BD%B4%E4%BA%A4%E4%BA%8E%E7%82%B9C%2C%E4%B8%94%E5%BD%93x%3D0%E5%92%8Cx%3D4%E6%97%B6%2Cy%E7%9A%84%E5%80%BC%E7%9B%B8%E7%AD%89.%E7%9B%B4%E7%BA%BFy%3D4x-16%E4%B8%8E%E8%BF%99%E6%9D%A1%E6%8A%9B%E7%89%A9%E7%BA%BF%E7%9B%B8%E8%BE%83%E4%BA%8E%E4%B8%A4%E7%82%B9%2C%E5%85%B6%E4%B8%AD%E4%B8%80%E7%82%B9%E7%9A%84%E6%A8%AA%E5%9D%90%E6%A0%87%E6%98%AF3%2C%E5%8F%A6%E4%B8%80%E7%82%B9%E6%98%AF%E8%BF%99%E6%9D%A1%E6%8A%9B%E7%89%A9%E7%BA%BF%E7%9A%84%E9%A1%B6)
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