exam Maths Puzzle Numerical Ability

Given a parabola whose axis of symmetry is the y-axis. The point (1,5)lies on the parabola. which point also lies on the parabola?

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exam Other Question

Please show be the complete process on how to simplify the following.

square root of 32 minus the square root of 2.

Thank you. Rationalize the Denominator: 1/((square root of)5 - 2)

a) (square root of)5 + 2
b) (square root of)5/2
c) ((square root of)5 + 1)/2
d) (square root of)3
e) none of these