Jordon Yee's answer to batrisya's Secondary 3 A Maths Singapore question.

done {{ upvoteCount }} Upvotes
clear {{ downvoteCount * -1 }} Downvotes
Jordon Yee
Jordon Yee's answer
14 answers (A Helpful Person)
1st
Hi, gradient is actually b if u use the equation Y=mX+cwhen 1.2 intersect lg y axis, it means that the lg x value is 0. We sub this into the equation to find the value of a.