Jawapan

2016-03-16T19:47:36+08:00
It depends on the value of x and y
if the values of x are 1 , 2.5 , 4 , 5 etc , you can use a scale of 1 unit to 2cm on the x axis
and same goes to the scale of the y axis . example : if the values of y are 2 , 4 , 6.8 and so on . u can use a scale of 2 units to 2 cm on the y axis .