1.已知关于x的方程(2m-1)x²-(m-1)x=5m是一元二次方程,求m的取值范围2.2x² +7x-4=03.m²-6m-616=04.三角形的两边长为4和7,第三边长为方程x²-6x+5=0的根,求第三边长5.已知一元二次方程ax&
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/03 11:55:29
![1.已知关于x的方程(2m-1)x²-(m-1)x=5m是一元二次方程,求m的取值范围2.2x² +7x-4=03.m²-6m-616=04.三角形的两边长为4和7,第三边长为方程x²-6x+5=0的根,求第三边长5.已知一元二次方程ax&](/uploads/image/z/3707076-12-6.jpg?t=1.%E5%B7%B2%E7%9F%A5%E5%85%B3%E4%BA%8Ex%E7%9A%84%E6%96%B9%E7%A8%8B%EF%BC%882m-1%EF%BC%89x%26sup2%3B-%EF%BC%88m-1%EF%BC%89x%3D5m%E6%98%AF%E4%B8%80%E5%85%83%E4%BA%8C%E6%AC%A1%E6%96%B9%E7%A8%8B%2C%E6%B1%82m%E7%9A%84%E5%8F%96%E5%80%BC%E8%8C%83%E5%9B%B42.2x%26sup2%3B+%2B7x-4%3D03.m%26sup2%3B-6m-616%3D04.%E4%B8%89%E8%A7%92%E5%BD%A2%E7%9A%84%E4%B8%A4%E8%BE%B9%E9%95%BF%E4%B8%BA4%E5%92%8C7%2C%E7%AC%AC%E4%B8%89%E8%BE%B9%E9%95%BF%E4%B8%BA%E6%96%B9%E7%A8%8Bx%26sup2%3B-6x%2B5%3D0%E7%9A%84%E6%A0%B9%2C%E6%B1%82%E7%AC%AC%E4%B8%89%E8%BE%B9%E9%95%BF5.%E5%B7%B2%E7%9F%A5%E4%B8%80%E5%85%83%E4%BA%8C%E6%AC%A1%E6%96%B9%E7%A8%8Bax%26)
xTn@&`+J1JJZ)-4(TyPBҼ(%MxH*CInƞ93sϹg|v|];YUZ29{Yefm\xbG֊ueӪMkde\Ua}
y]*zeۮ9jnVǍr>^F %*GMݕ)`rjnZjDGO>!F j F66:F.j}㪩_dq/X'+x.ps.Vv:,}1I%#D|sR0D4ͺ/WW4:l$[e 'r#Ev:K-ZYf|5E$%/^(Y
0^Mw6)L^r
jl+NU=F
Si"
͡ 08}۸~G