(i) 8 – xy2
Terms which contains y2
xy2 co-efficient of y2 - x
(ii) 5y2 + 7x
Terms which contains y2
co-efficient of y2 - 5
(iii) 2x2 y – 15xy2 + 7y2
Terms which contains y2 - (-15xy2)
co-efficient of y2 - (-15x)
Terms which contain y2 - 7y2
co-efficient of y2 - 7