Maths--Coordinates

2008-06-18 6:45 am
If P is a point on the x-axis, then the y-coordinate of P is ____________.

回答 (3)

2008-06-18 6:18 pm
✔ 最佳答案

圖片參考:http://photo.share-moment.com/diary/user_Folder/65111/080246183717055.jpg

從圖可看到, 無論P在x-axis那一點
P的y-coordinate都一定是0
SO, If P is a point on the x-axis, then the y-coordinate of P is 0.
參考: ME
2008-06-22 7:45 am
0,,,我本maths書有講~
2008-06-18 7:03 am
If P is a point on the x-axis, then the y-coordinate of P is __0__.

2008-06-17 23:07:51 補充:
(-3, 0), (-2, 0), (-1, 0) (0, 0), (1, 0), (2, 0), (3,0), ........

All of the above are points on the x-axis. The y-coordinate of all these points are 0.


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