Question

已知抛物线y=ax^2+bx+c (a≠0)

Answer 1

1.若抛物线的顶点是原点,则____b=0___c=0_____

2.若抛物线经过原点,则_______c=0____________

3.若抛物线的顶点在y轴上,则________b=0___________

4.若抛物线的顶点在x轴上,则________c=0___________