Lists of questions are strongly discouraged.
I will leave 3 and 4 only out of courtesy to your answerer. Melody
3)
Find the equation whose graph is a parabola with vertex (2,4), vertical axis of symmetry, and contains the point (1,1). Express your answer in the form ax^2+bx+c.
4)
The circle 2x^2 = -2y^2 + 12x - 4y + 20 is inscribed inside a square which has a pair of sides parallel to the x-axis. What is the area of the square?