已知:关于x的一元二次方程kx²+(2k-3)x+k-3=0有两个不相等的实数根(k<0)(1)用含k的式子表示方程的两个实数根(2)设方程的两实数根分别为X1,X2其中(X1>X2),若一次函数y=(3k-1)+b与反
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/17 20:01:56
![已知:关于x的一元二次方程kx²+(2k-3)x+k-3=0有两个不相等的实数根(k<0)(1)用含k的式子表示方程的两个实数根(2)设方程的两实数根分别为X1,X2其中(X1>X2),若一次函数y=(3k-1)+b与反](/uploads/image/z/5616017-17-7.jpg?t=%E5%B7%B2%E7%9F%A5%EF%BC%9A%E5%85%B3%E4%BA%8Ex%E7%9A%84%E4%B8%80%E5%85%83%E4%BA%8C%E6%AC%A1%E6%96%B9%E7%A8%8Bkx%26sup2%3B%2B%282k-3%29x%2Bk-3%3D0%E6%9C%89%E4%B8%A4%E4%B8%AA%E4%B8%8D%E7%9B%B8%E7%AD%89%E7%9A%84%E5%AE%9E%E6%95%B0%E6%A0%B9%EF%BC%88k%EF%BC%9C0%EF%BC%89%EF%BC%881%EF%BC%89%E7%94%A8%E5%90%ABk%E7%9A%84%E5%BC%8F%E5%AD%90%E8%A1%A8%E7%A4%BA%E6%96%B9%E7%A8%8B%E7%9A%84%E4%B8%A4%E4%B8%AA%E5%AE%9E%E6%95%B0%E6%A0%B9%EF%BC%882%EF%BC%89%E8%AE%BE%E6%96%B9%E7%A8%8B%E7%9A%84%E4%B8%A4%E5%AE%9E%E6%95%B0%E6%A0%B9%E5%88%86%E5%88%AB%E4%B8%BAX1%2CX2%E5%85%B6%E4%B8%AD%EF%BC%88X1%EF%BC%9EX2%EF%BC%89%2C%E8%8B%A5%E4%B8%80%E6%AC%A1%E5%87%BD%E6%95%B0y%3D%283k-1%29%2Bb%E4%B8%8E%E5%8F%8D)
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