Yes or no? which is ut

Which point is on the line y=-2+3? (-2,-1) (3,3) (3,-3) (-3,-9)

Which of the following equations is of the parabola whose vertex is at (2, 3), axis of symmetry parallel to the y-axis and p = 4? a.)y-3 = 1/16 (x-2)^2 b.)y+3 = -1/16 (x+2)^2 c.)x-2 = 1/16 (y-3)^2

How do i simply this expression (quadratic formula basis) on a ti-84 or normal calculator?