如图,在平面直角坐标系中,抛物线y=ax²+bx+才(a=0)的图像经过N(1,0)和M(3,0)两点,且与y轴交于点D(0,3)直线L是抛物线的对称轴,(1)求该抛物线的解析式(过程,我自己做做到最后,都等于0- -无
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![如图,在平面直角坐标系中,抛物线y=ax²+bx+才(a=0)的图像经过N(1,0)和M(3,0)两点,且与y轴交于点D(0,3)直线L是抛物线的对称轴,(1)求该抛物线的解析式(过程,我自己做做到最后,都等于0- -无](/uploads/image/z/805186-10-6.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%E6%8A%9B%E7%89%A9%E7%BA%BFy%3Dax%26%23178%3B%2Bbx%2B%E6%89%8D%28a%3D0%29%E7%9A%84%E5%9B%BE%E5%83%8F%E7%BB%8F%E8%BF%87N%281%2C0%29%E5%92%8CM%283%2C0%29%E4%B8%A4%E7%82%B9%2C%E4%B8%94%E4%B8%8Ey%E8%BD%B4%E4%BA%A4%E4%BA%8E%E7%82%B9D%EF%BC%880%2C3%EF%BC%89%E7%9B%B4%E7%BA%BFL%E6%98%AF%E6%8A%9B%E7%89%A9%E7%BA%BF%E7%9A%84%E5%AF%B9%E7%A7%B0%E8%BD%B4%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%88%E8%BF%87%E7%A8%8B%2C%E6%88%91%E8%87%AA%E5%B7%B1%E5%81%9A%E5%81%9A%E5%88%B0%E6%9C%80%E5%90%8E%2C%E9%83%BD%E7%AD%89%E4%BA%8E0-+-%E6%97%A0)
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