一道数学题!麻烦大家看一看!在线等哦!已知抛物线 y=-0.5x^2+(5-根号里面m^2)x+m-3与x轴有两个交点A、B,点A在x轴的正半轴上,点B在x轴的负半轴上,点C在y轴的正半轴上,且OA=OB.(1)求m的值;(2)求
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![一道数学题!麻烦大家看一看!在线等哦!已知抛物线 y=-0.5x^2+(5-根号里面m^2)x+m-3与x轴有两个交点A、B,点A在x轴的正半轴上,点B在x轴的负半轴上,点C在y轴的正半轴上,且OA=OB.(1)求m的值;(2)求](/uploads/image/z/13335509-29-9.jpg?t=%E4%B8%80%E9%81%93%E6%95%B0%E5%AD%A6%E9%A2%98%21%E9%BA%BB%E7%83%A6%E5%A4%A7%E5%AE%B6%E7%9C%8B%E4%B8%80%E7%9C%8B%21%E5%9C%A8%E7%BA%BF%E7%AD%89%E5%93%A6%21%E5%B7%B2%E7%9F%A5%E6%8A%9B%E7%89%A9%E7%BA%BF+y%3D-0.5x%5E2%2B%285-%E6%A0%B9%E5%8F%B7%E9%87%8C%E9%9D%A2m%5E2%29x%2Bm-3%E4%B8%8Ex%E8%BD%B4%E6%9C%89%E4%B8%A4%E4%B8%AA%E4%BA%A4%E7%82%B9A%E3%80%81B%2C%E7%82%B9A%E5%9C%A8x%E8%BD%B4%E7%9A%84%E6%AD%A3%E5%8D%8A%E8%BD%B4%E4%B8%8A%2C%E7%82%B9B%E5%9C%A8x%E8%BD%B4%E7%9A%84%E8%B4%9F%E5%8D%8A%E8%BD%B4%E4%B8%8A%2C%E7%82%B9C%E5%9C%A8y%E8%BD%B4%E7%9A%84%E6%AD%A3%E5%8D%8A%E8%BD%B4%E4%B8%8A%2C%E4%B8%94OA%3DOB.%EF%BC%881%EF%BC%89%E6%B1%82m%E7%9A%84%E5%80%BC%EF%BC%9B%EF%BC%882%EF%BC%89%E6%B1%82)
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