Eric Nicholas K's answer to James Johnson's Secondary 4 A Maths Singapore question.

done {{ upvoteCount }} Upvotes
clear {{ downvoteCount * -1 }} Downvotes
Eric Nicholas K
Eric Nicholas K's answer
5997 answers (Tutor Details)
1st
The x-coordinate just simply means the value of x at which the gradient of the curve is zero. We are not required to find the full coordinates (x, y) of this point.