Evaluate without a calculator: 17.1·27−17.1·33+17.1·16

When only separate discreet points are graphed it is called?

Triangle xyz has vertices x(1,3), y(0,0)

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