kagamihara-chan's answer to Jacqu's Secondary 3 E Maths Singapore question.

done {{ upvoteCount }} Upvotes
clear {{ downvoteCount * -1 }} Downvotes
kagamihara-chan
Kagamihara-chan's answer
92 answers (A Helpful Person)
1st
For iii, you'll have to sub y=0 instead as the X intercept is is when y=0 :)