已知抛物线y=x2-2kx+3k+4.
(1)顶点在y轴上时,k的值为_________.
(2)顶点在x轴上时,k的值为_________.
(3)抛物线经过原点时,k的值为_______.
相关知识点
推荐套卷
已知抛物线y=x2-2kx+3k+4.
(1)顶点在y轴上时,k的值为_________.
(2)顶点在x轴上时,k的值为_________.
(3)抛物线经过原点时,k的值为_______.