★已知抛物线y=x2-2x+m-1与x轴只有一个交点,且于y轴交于A点,如图,设它的顶点为B.(1)求m的值;★已知抛物线y=x2-2x+m-1与x轴只有一个交点,且于y轴交于A点,如图,设它的顶点为B。
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/27 15:50:19
![★已知抛物线y=x2-2x+m-1与x轴只有一个交点,且于y轴交于A点,如图,设它的顶点为B.(1)求m的值;★已知抛物线y=x2-2x+m-1与x轴只有一个交点,且于y轴交于A点,如图,设它的顶点为B。](/uploads/image/z/8803845-45-5.jpg?t=%E2%98%85%E5%B7%B2%E7%9F%A5%E6%8A%9B%E7%89%A9%E7%BA%BFy%EF%BC%9Dx2%EF%BC%8D2x%EF%BC%8Bm%EF%BC%8D1%E4%B8%8Ex%E8%BD%B4%E5%8F%AA%E6%9C%89%E4%B8%80%E4%B8%AA%E4%BA%A4%E7%82%B9%2C%E4%B8%94%E4%BA%8Ey%E8%BD%B4%E4%BA%A4%E4%BA%8EA%E7%82%B9%2C%E5%A6%82%E5%9B%BE%2C%E8%AE%BE%E5%AE%83%E7%9A%84%E9%A1%B6%E7%82%B9%E4%B8%BAB.%EF%BC%881%EF%BC%89%E6%B1%82m%E7%9A%84%E5%80%BC%EF%BC%9B%E2%98%85%E5%B7%B2%E7%9F%A5%E6%8A%9B%E7%89%A9%E7%BA%BFy%EF%BC%9Dx2%EF%BC%8D2x%EF%BC%8Bm%EF%BC%8D1%E4%B8%8Ex%E8%BD%B4%E5%8F%AA%E6%9C%89%E4%B8%80%E4%B8%AA%E4%BA%A4%E7%82%B9%EF%BC%8C%E4%B8%94%E4%BA%8Ey%E8%BD%B4%E4%BA%A4%E4%BA%8EA%E7%82%B9%EF%BC%8C%E5%A6%82%E5%9B%BE%EF%BC%8C%E8%AE%BE%E5%AE%83%E7%9A%84%E9%A1%B6%E7%82%B9%E4%B8%BAB%E3%80%82)
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