Bryan Lim Choon Kiat's answer to tracy's Secondary 4 A Maths question.

done {{ upvoteCount }} Upvotes
clear {{ downvoteCount * -1 }} Downvotes
Bryan Lim Choon Kiat
Bryan Lim Choon Kiat's answer
12 answers (Tutor Details)
1st
As dy/dx is a quadratic curve, it is possible to sketch the "U-shape" property to diagrammatically figure out which parts are below the x-axis.
tracy
Tracy
5 years ago
thank you :)