Ask Singapore Homework?

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



Question

|
2 Answers Below

Anyone can contribute an answer, even non-tutors.

Answer This Question
Maky
Maky

grade 11 chevron_right Philippines

Hi can someone please solve this

Date Posted: 5 years ago
Views: 467

See 2 Answers

done {{ upvoteCount }} Upvotes
clear {{ downvoteCount * -1 }} Downvotes
Eric Nicholas K
Eric Nicholas K's answer
5997 answers (Tutor Details)
1st
One way to do this is to recognise that the procedure is just the reverse mechanism of quadratic equation solving.
done {{ upvoteCount }} Upvotes
clear {{ downvoteCount * -1 }} Downvotes
Eric Nicholas K
Eric Nicholas K's answer
5997 answers (Tutor Details)
The other method is to use the formula for the sum and product of the roots of a quadratic equation. In fact, both methods are more or less the same as the formulae for the sum and product of the roots come from the inspection like the other method.