Question

Just Tell me the process of this Qstn.

12th one

Answer 1

its simple 
for the first coordinate point [4,5]
the point is at distance of 4 units from y axis 

for the second point [5,-4]
the point is 5 units from y axis 

for the third point [-4,-5]
the point is -4 units away from y axis 

for the fourth poiint [-5,4]
the point is at -5 units from y axis