试题与答案

抛物线y2=4x上一点P到焦点F的距离是10,则P点的坐标是( ) A.(9,6

题型:选择题

题目:

抛物线y2=4x上一点P到焦点F的距离是10,则P点的坐标是(  )

A.(9,6)

B.(6,9)

C.(±6,9)

D.(9,±6)

答案:

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