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secondary 3 | A Maths
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erin
Erin

secondary 3 chevron_right A Maths chevron_right Singapore

Idk this qn 5

Date Posted: 4 years ago
Views: 180

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Think Learn Grow (TLG) Education Centre
Think Learn Grow (tlg) Education Centre's answer
142 answers (Tutor Details)
1st
Coefficient of x^2 must be negative because of the way a ball bounces, it goes up and comes down again.