Please help I don't understand this I need answers 1-10

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

In a graph with several intervals o data how does a constant interval appear? what type of scenario produces a constant interval?

A(1,1) b(-3,0) c(-4,-1) d(3,-2) drag it to correct position