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GCSE Maths question

What linear graph do you have to draw for part b? I really don't understand it.

https://imgur.com/CujjWC5

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Original post
by Sichwünschen
What linear graph do you have to draw for part b? I really don't understand it.
https://imgur.com/CujjWC5

Can you transform the
quadratic in part b) = 0
so that it becomes
quadratic in a) = linear correction

Then the linear correction is the part you want to draw / find the intersection of the given graph (quadratic in a) to solve (roots) the quadratic in b)

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