通过配方,写出下列抛物线的对称轴和顶点坐标!(1)y=x平方+3x-2; (2)y=1-6x-x通过配方,写出下列抛物线的对称轴和顶点坐标!(1)y=x平方+3x-2;(2)y=1-6x-x平方;(3)y=3x平方-2x+4;(4)y=二分之一x平方-2x+7.
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/28 12:30:39
![通过配方,写出下列抛物线的对称轴和顶点坐标!(1)y=x平方+3x-2; (2)y=1-6x-x通过配方,写出下列抛物线的对称轴和顶点坐标!(1)y=x平方+3x-2;(2)y=1-6x-x平方;(3)y=3x平方-2x+4;(4)y=二分之一x平方-2x+7.](/uploads/image/z/2588905-1-5.jpg?t=%E9%80%9A%E8%BF%87%E9%85%8D%E6%96%B9%2C%E5%86%99%E5%87%BA%E4%B8%8B%E5%88%97%E6%8A%9B%E7%89%A9%E7%BA%BF%E7%9A%84%E5%AF%B9%E7%A7%B0%E8%BD%B4%E5%92%8C%E9%A1%B6%E7%82%B9%E5%9D%90%E6%A0%87%21%281%29y%3Dx%E5%B9%B3%E6%96%B9%2B3x-2%3B+%282%29y%3D1-6x-x%E9%80%9A%E8%BF%87%E9%85%8D%E6%96%B9%2C%E5%86%99%E5%87%BA%E4%B8%8B%E5%88%97%E6%8A%9B%E7%89%A9%E7%BA%BF%E7%9A%84%E5%AF%B9%E7%A7%B0%E8%BD%B4%E5%92%8C%E9%A1%B6%E7%82%B9%E5%9D%90%E6%A0%87%21%281%29y%3Dx%E5%B9%B3%E6%96%B9%2B3x-2%3B%282%29y%3D1-6x-x%E5%B9%B3%E6%96%B9%3B%283%29y%3D3x%E5%B9%B3%E6%96%B9-2x%2B4%3B%284%29y%3D%E4%BA%8C%E5%88%86%E4%B9%8B%E4%B8%80x%E5%B9%B3%E6%96%B9-2x%2B7.)
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