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secondary 3 | A Maths
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james tan
James Tan

secondary 3 chevron_right A Maths chevron_right Singapore

pls help

Date Posted: 1 year ago
Views: 250

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Low Yi Yin
Low Yi Yin's answer
251 answers (Tutor Details)
1st
Work backwards from the solution given
Hope this helps! ;))
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Kai Chew
Kai Chew's answer
50 answers (Tutor Details)
"y=2x^2 - 8x + p" is the equation of a curve (the graph i drew).
So, when they say the curve> 0, they are referring to the part of the curve that is positive, which is the part of the curve that is above the x-axis. When they say the solutions to the equation is x<-1 or x>5, they mean that the curve is positive for x<-1 and x>5 (also meaning curve is negative from -1