Ask Singapore Homework?

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



Question

secondary 3 | A Maths
One Answer Below

Anyone can contribute an answer, even non-tutors.

Answer This Question
Nacy smith
Nacy Smith

secondary 3 chevron_right A Maths chevron_right Singapore

I’m stuck

Date Posted: 2 years ago
Views: 369

See 1 Answer

done {{ upvoteCount }} Upvotes
clear {{ downvoteCount * -1 }} Downvotes
Random Sec 4 student
Random Sec 4 Student's answer
55 answers (A Helpful Person)
1st
.
Boy Mow Chau
Boy Mow Chau
2 years ago
for (ii), need to exclude k=0 because will end up with (0)x^2+(0)x+2 = 0, which simplifies to 2 = 0, which is meaningless.

need to always check if the values of k still gives proper quadratic curve. for k values which results in straight line, then must also exclude.
Random Sec 4 student
Random Sec 4 Student
2 years ago
thanks alot I will remember to check next time!