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若关于x的一元二次方程x2+2x﹣k＝0没有实数根，则k的取值范围是 ．
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若关于x的一元二次方程x2﹣2x﹣k＋1＝0有两个相等的实数根则k的值是
﹣1
0
1
2
若k＞4则关于x的一元二次方程x2+4x+k=0的根的情况是
没有实数根
有两个相等的实数根
有两个不相等的实数根
无法判断
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＝.
如果关于x的一元二次方程2xkx-4-x2+6=0没有实数根那么k的最小整数值是__________
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5k＋20＜0则关于x的一元二次方程x2＋4x－k＝0的根的情况是
没有实数根
有两个相等的实数根
有两个不相等的实数根
无法判断
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
关于x的一元二次方程x2﹣k=0有实数根则
k＜0
k＞0
k≥0
k≤0
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5k+20＜0则关于x的一元二次方程x2+4x﹣k=0的根的情况是
没有实数根
有两个相等的实数根
有两个不相等的实数根
无法判断
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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