求二次函数,这题顶点式的过程,希望高手能将过程给我、让我明白意思已知抛物线与x轴两交点横坐标为1、3,且图像过(0,-3)设y=a(x-1)(x-3),又过点(0,-3),a(0-1)(0-3)=-3 a=-1Y=-(X-1)(X-3),是怎么
来源:学生作业帮助网 编辑:作业帮 时间:2024/08/12 01:01:00
![求二次函数,这题顶点式的过程,希望高手能将过程给我、让我明白意思已知抛物线与x轴两交点横坐标为1、3,且图像过(0,-3)设y=a(x-1)(x-3),又过点(0,-3),a(0-1)(0-3)=-3 a=-1Y=-(X-1)(X-3),是怎么](/uploads/image/z/8049347-35-7.jpg?t=%E6%B1%82%E4%BA%8C%E6%AC%A1%E5%87%BD%E6%95%B0%2C%E8%BF%99%E9%A2%98%E9%A1%B6%E7%82%B9%E5%BC%8F%E7%9A%84%E8%BF%87%E7%A8%8B%2C%E5%B8%8C%E6%9C%9B%E9%AB%98%E6%89%8B%E8%83%BD%E5%B0%86%E8%BF%87%E7%A8%8B%E7%BB%99%E6%88%91%E3%80%81%E8%AE%A9%E6%88%91%E6%98%8E%E7%99%BD%E6%84%8F%E6%80%9D%E5%B7%B2%E7%9F%A5%E6%8A%9B%E7%89%A9%E7%BA%BF%E4%B8%8Ex%E8%BD%B4%E4%B8%A4%E4%BA%A4%E7%82%B9%E6%A8%AA%E5%9D%90%E6%A0%87%E4%B8%BA1%E3%80%813%EF%BC%8C%E4%B8%94%E5%9B%BE%E5%83%8F%E8%BF%87%EF%BC%880%EF%BC%8C-3%EF%BC%89%E8%AE%BEy%3Da%28x-1%29%28x-3%29%2C%E5%8F%88%E8%BF%87%E7%82%B9%EF%BC%880%EF%BC%8C-3%EF%BC%89%EF%BC%8Ca%280-1%29%280-3%29%3D-3+a%3D-1Y%3D-%28X-1%29%28X-3%29%2C%E6%98%AF%E6%80%8E%E4%B9%88)
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