exam Maths Puzzle Numerical Ability

How do you write an equation for this conic equation: parabala with a vertex at (1,-2) and a focus at (1,1) ?

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exam Other Question

what is the difference between x-3 and 3-x? I need help with the following problem: ^3 squareroot of-8/27....I do not not know if I have written this correctly. Can someone please help me with this? Thanks