exam Maths Puzzle Numerical Ability

I need to Write an equation in the standard form for the indicated conic section of A parabola with vertex (3,1) and directrix y = -1

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problem solving using two variables.
The sum of two integers is 51.The larger integer is 3 more than twice the smaller integer.Find the integers? PLEASE PLEASE PLEASE PLEASE PLEASE HELP ME

1. Consider the graph of y = tan x.
(a) How does it show that the tangent of 90 degrees is undefined?
(b) What are other undefin