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.
Need help for part d
Date Posted: 4 years ago
Views: 170
3x^2 <= x^2 - x + 3
-2x^2 -x +3 >= 0
(2x +3 ) (-x +1) >=0
Since this is a frowning curve, the middle part is above 0. Thus, -3/2 <= x <= 1
-2x^2 -x +3 >= 0
(2x +3 ) (-x +1) >=0
Since this is a frowning curve, the middle part is above 0. Thus, -3/2 <= x <= 1
See 1 Answer
done
{{ upvoteCount }} Upvotes
clear
{{ downvoteCount * -1 }} Downvotes
The graph below the axis is the range of value of x. Number line is shown as on the right.
Date Posted:
4 years ago
360 Tutoring Program