Ask Singapore Homework?

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



Question

secondary 3 | A Maths
2 Answers Below

Anyone can contribute an answer, even non-tutors.

Answer This Question
Chori
Chori

secondary 3 chevron_right A Maths chevron_right Singapore

How do I find the corresponding value of x with the minimum value of f(x) as -7?

Date Posted: 1 year ago
Views: 334
Cheryl
Cheryl
1 year ago
May I know wats the topic?
Chori
Chori
1 year ago
The topic is quadratic functions

See 2 Answers

done {{ upvoteCount }} Upvotes
clear {{ downvoteCount * -1 }} Downvotes
Cheryl
Cheryl's answer
17 answers (Tutor Details)
1st
dk whether dis correct or not but hope it helps
Chori
Chori
1 year ago
Will it also be correct if I find the value of x by solving the inequality (x+2)^2 >= 0?
Chori
Chori
1 year ago
Yep the ans is correct thx!
Cheryl
Cheryl
1 year ago
I dont think you can do that because if you use inequality it means that you are finding for x-intercepts. but they are asking u to find the minimum value also means the minimum point of the graph
Cheryl
Cheryl
1 year ago
this method is using differentiation but for the topic you are learning now, the solution I added.
Chori
Chori
1 year ago
I see thank you
done {{ upvoteCount }} Upvotes
clear {{ downvoteCount * -1 }} Downvotes
Cheryl
Cheryl's answer
17 answers (Tutor Details)
hopefully this can let you understand better