exam Maths Puzzle Numerical Ability

the question asks you to find the equation of the parabola for P(3,2). then tell if the parabola is up or down. how do i do this???

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Biting an unpopped kernel of popcorn hurts! As an experiment, a self-confessed connoisseur of
cheap popcorn carefully counted 773 kernels and put them in a popper. After popping, A grocer wished to blend candy selling for $1.20 per pound with candy selling for $1.80 per pound to get a mixture that will sell for $1.40 per pound. How many pounds of the $1.20