Ask Singapore Homework?

Upload a photo of a Singapore homework and someone will email you the solution for free.



Question

secondary 4 | A Maths
One Answer Below

Anyone can contribute an answer, even non-tutors.

Answer This Question
s
S

secondary 4 chevron_right A Maths

qn 6a

Date Posted: 7 years ago
Views: 353

See 1 Answer

done {{ upvoteCount }} Upvotes
clear {{ downvoteCount * -1 }} Downvotes
cheang xin ru
Cheang Xin Ru's answer
1 answers (A Helpful Person)
1st
* gradient straight line × gradient perpendicular bisector = -1