x²+6x-2=0,3x²-根号2x+1=0,1x=4x²+9,x²=(2k+1)x-k²+k=0不解方程,判断下列方程的根
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![x²+6x-2=0,3x²-根号2x+1=0,1x=4x²+9,x²=(2k+1)x-k²+k=0不解方程,判断下列方程的根](/uploads/image/z/759873-57-3.jpg?t=x%26%23178%3B%2B6x-2%3D0%2C3x%26%23178%3B-%E6%A0%B9%E5%8F%B72x%2B1%3D0%2C1x%3D4x%26%23178%3B%2B9%2Cx%26%23178%3B%3D%EF%BC%882k%2B1%EF%BC%89x-k%26%23178%3B%2Bk%3D0%E4%B8%8D%E8%A7%A3%E6%96%B9%E7%A8%8B%2C%E5%88%A4%E6%96%AD%E4%B8%8B%E5%88%97%E6%96%B9%E7%A8%8B%E7%9A%84%E6%A0%B9)
x²+6x-2=0,3x²-根号2x+1=0,1x=4x²+9,x²=(2k+1)x-k²+k=0不解方程,判断下列方程的根
x²+6x-2=0,3x²-根号2x+1=0,1x=4x²+9,x²=(2k+1)x-k²+k=0
不解方程,判断下列方程的根
x²+6x-2=0,3x²-根号2x+1=0,1x=4x²+9,x²=(2k+1)x-k²+k=0不解方程,判断下列方程的根
两根,一正一负
无实根
无实根
a.k>1/8,两个不相等实根
b.k=1/8,相等实根
c.k<1/8,无实根