Y=(x-1)^2-1 from vertex to standard form

The table above shows approximate conversions from gallons to liters. what is the value of x?

Consider the function f(x)=-5x+3 what is f(-2)

The diagonals of a quadrilaretral intersect at (-1,4). one of the sides of the quadrilateral is bounded by (2,7) and (-3,5) determine the coordinates of the other side in order for the quadrilaretral to be a square.