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若关于x的一元二次方程（k-2）x2-2kx+k=6有实数根，则k的取值范围为（ ）
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下列四个说法中正确的是
一元二次方程
有实数根；
一元二次方程
有实数根；
一元二次方程
有实数根；
一元二次方程x
2
+4x+5=a(a≥1)有实数根.
下列四个说法中正确的是
一元二次方程x
2
＋4x＋5＝
有实数根
一元二次方程x
2
＋4x＋5＝
有实数根
一元二次方程x
2
＋4x＋5＝
有实数根
一元二次方程x
2
＋4x＋5＝A.(A≥1)有实数根
若关于x的一元二次方程x2﹣x+k=0有两个相等的实数根那么实数k的值是.
若关于x的一元二次方程kx2﹣2x+1=0有实数根则k的取值范围是
若关于x的一元二次方程kx2+2k+1x+k﹣1=0有两个实数根则k的取值范围是.
若关于x的一元二次方程kx2﹣2x﹣1=0有两个不相等的实数根则实数k的取值范围是.
若关于x的一元二次方程x2+4x+2k=0有两个实数根求k的取值范围及k的非负整数值.
若关于x的x2+6x+k=0一元二次方程有两个相等的实数根则k＝.
若关于x的一元二次方程k﹣1x2+2x﹣2=0有两个不相等的实数根则k的取值范围是.
已知关于x的一元二次方程x2－6x＋k＝0有实数根.1求k的取值范围4分2如果k取符合条件的最大整数
若关于x的一元二次方程1﹣kx2+2kx﹣k+1=0有实数根则实数k的取值范围是.
若关于x的一元二次方程k﹣1x2+2x﹣2=0有两个不相等的实数根则k的取值范围是
.若关于x的一元二次方程k﹣1x2+2x﹣2=0有两个不相等的实数根那么k的取值范围是
如果关于x的一元二次方程x2+2x﹣k=0有实数根那么k的取值范围是
已知关于x的一元二次方程kx2﹣2x+1=0.1若此一元二次方程有实数根求k的取值范围.2选一个你认
若关于x的一元二次方程k﹣1x2+4x+1=0有实数根则k的取值范围是.
若关于x的一元二次方程kx2+4x+3=0有实数根则k的取值范围是.
若关于x的一元二次方程kx2﹣2x﹣1=0有两个不相等的实数根则实数k的取值范围是.
关于x的一元二次方程a2﹣1x2+x﹣2=0是一元二次方程则a满足
a≠1
a≠﹣1
a≠±1
为任意实数
若关于x的一元二次方程kx2+2k+1x+k﹣1=0有两个实数根则k的取值范围是.
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高一下学期数学
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高一上学期物理
有实数根； 一元二次方程
有实数根； 一元二次方程
有实数根； 一元二次方程x2+4x+5=a(a≥1)有实数根.
有实数根 一元二次方程x2＋4x＋5＝
有实数根 一元二次方程x2＋4x＋5＝
有实数根 一元二次方程x2＋4x＋5＝A.(A≥1)有实数根
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