exam Maths Puzzle Numerical Ability

What are the coordinates of the focal point y=3(2)(^2x+4)-5 ???

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exam Other Question

6 equal spaced lines on the circumference of a circle. It is basically a circle sectioned off into 5 total section. The question is asking for x. Four of the sections are identical Please help...my original problem is: 2(x-5)^2 = 3.

I think the answer is: x= 10 (plus/minus) sq.rt.6 / 2....am I on the right track?

Thank you for your help!