the co-ordinates of any points on the x-axis are of the form : (a) (x,0) (b) (0,y) (c) (0,0) (d) (x,y)?

2015-09-12 11:01 am

回答 (1)

2015-09-12 11:14 am

Since it is the x-axis , all the y-coordinates are zero(0) , so the answer is 'a' = ( x , 0)

Also 'c' because the x-coordinate can be zero(0) .

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