(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

The curve [tex] y = ax^{2} + bx [/tex] passes through the point (2,4) with gradient 8. Find a and b .

I have no idea how to work out a and b , do I use simultaneous equations?

2. Relevant equations

3. The attempt at a solution

I have no idea how to work out a and b , do I use simultaneous equations?

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# Differentiation help ,

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