如图 在平面直角坐标系中,点A(2,3)为二次函数y=ax^2+bx-2(a≠0)与反比例函数y=k/x(k≠0)在第一坐标系的交点,已知该抛物线y=ax^2=bx-2(a≠0)交x轴正负半轴分别于E点、D点,交y轴负半轴于B点,且
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![如图 在平面直角坐标系中,点A(2,3)为二次函数y=ax^2+bx-2(a≠0)与反比例函数y=k/x(k≠0)在第一坐标系的交点,已知该抛物线y=ax^2=bx-2(a≠0)交x轴正负半轴分别于E点、D点,交y轴负半轴于B点,且](/uploads/image/z/6924482-26-2.jpg?t=%E5%A6%82%E5%9B%BE+%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%E7%82%B9A%EF%BC%882%2C3%EF%BC%89%E4%B8%BA%E4%BA%8C%E6%AC%A1%E5%87%BD%E6%95%B0y%3Dax%5E2%2Bbx-2%EF%BC%88a%E2%89%A00%EF%BC%89%E4%B8%8E%E5%8F%8D%E6%AF%94%E4%BE%8B%E5%87%BD%E6%95%B0y%3Dk%2Fx%EF%BC%88k%E2%89%A00%EF%BC%89%E5%9C%A8%E7%AC%AC%E4%B8%80%E5%9D%90%E6%A0%87%E7%B3%BB%E7%9A%84%E4%BA%A4%E7%82%B9%2C%E5%B7%B2%E7%9F%A5%E8%AF%A5%E6%8A%9B%E7%89%A9%E7%BA%BFy%3Dax%5E2%3Dbx-2%28a%E2%89%A00%29%E4%BA%A4x%E8%BD%B4%E6%AD%A3%E8%B4%9F%E5%8D%8A%E8%BD%B4%E5%88%86%E5%88%AB%E4%BA%8EE%E7%82%B9%E3%80%81D%E7%82%B9%2C%E4%BA%A4y%E8%BD%B4%E8%B4%9F%E5%8D%8A%E8%BD%B4%E4%BA%8EB%E7%82%B9%2C%E4%B8%94)
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