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secondary 3 | A Maths
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lana <3
Lana <3

secondary 3 chevron_right A Maths chevron_right Singapore

can someone explain how to do this question! I don’t know how to draw the graph, apparently there are 2 curves?

Date Posted: 2 years ago
Views: 524
sstrike
Sstrike
2 years ago
wish this one will help u to find the ans
https://perfectmaths.com/chapter-3-quadratic-functions/
lana <3
Lana <3
2 years ago
helped greatly thank you! <3
sstrike
Sstrike
2 years ago
Welcome

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Tee Yuan Qin
Tee Yuan Qin's answer
44 answers (Tutor Details)
1st
Question is testing your understanding about discriminant. Discriminant is less than zero when the quadratic curve is completely below or above the horizontal line y=k². Discriminant is equal to zero when there is only one point of intersection between the line and the quadratic curve.