Nicky Lim's answer to kkduk's Junior College 1 H1 Maths Singapore question.

done {{ upvoteCount }} Upvotes
clear {{ downvoteCount * -1 }} Downvotes
Nicky Lim
Nicky Lim's answer
4 answers (Tutor Details)
To get the 4 equations above, you need to subsitute the given (x, y) pair into the equation.