一元二次方程根的判别式练习的填空题我有答案,1.方程x2+2x-1+m=0有两个相等实数根,则m=____.2.a是有理数,b是____时,方程2x2+(a+1)x-(3a2-4a+b)=0的根也是有理数.3.当k<1时,方程2(k
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/08 03:45:43
![一元二次方程根的判别式练习的填空题我有答案,1.方程x2+2x-1+m=0有两个相等实数根,则m=____.2.a是有理数,b是____时,方程2x2+(a+1)x-(3a2-4a+b)=0的根也是有理数.3.当k<1时,方程2(k](/uploads/image/z/5194350-54-0.jpg?t=%E4%B8%80%E5%85%83%E4%BA%8C%E6%AC%A1%E6%96%B9%E7%A8%8B%E6%A0%B9%E7%9A%84%E5%88%A4%E5%88%AB%E5%BC%8F%E7%BB%83%E4%B9%A0%E7%9A%84%E5%A1%AB%E7%A9%BA%E9%A2%98%E6%88%91%E6%9C%89%E7%AD%94%E6%A1%88%2C1%EF%BC%8E%E6%96%B9%E7%A8%8Bx2%EF%BC%8B2x-1%EF%BC%8Bm%3D0%E6%9C%89%E4%B8%A4%E4%B8%AA%E7%9B%B8%E7%AD%89%E5%AE%9E%E6%95%B0%E6%A0%B9%2C%E5%88%99m%3D____%EF%BC%8E2%EF%BC%8Ea%E6%98%AF%E6%9C%89%E7%90%86%E6%95%B0%2Cb%E6%98%AF____%E6%97%B6%2C%E6%96%B9%E7%A8%8B2x2%EF%BC%8B%EF%BC%88a%EF%BC%8B1%EF%BC%89x-%EF%BC%883a2-4a%EF%BC%8Bb%EF%BC%89%3D0%E7%9A%84%E6%A0%B9%E4%B9%9F%E6%98%AF%E6%9C%89%E7%90%86%E6%95%B0%EF%BC%8E3%EF%BC%8E%E5%BD%93k%EF%BC%9C1%E6%97%B6%2C%E6%96%B9%E7%A8%8B2%EF%BC%88k)
xXMOI+VZnwptN{^6Վl` !ke80B& c4?`~mUIў ]]'"[]g}/3^]q/g:~pju_V{XuvK1㶽,m{t,Xf[|n62o8/
8#i#[y
襳~L ߶Ki| \H3=I+qlU @n2ϱm }>sG)_&