1.   Which is the graph of the equation y = 2x2 - 1?
    A. B.
    C. D.
    Hint

  2.   What is the equation of the graph shown?
   
    A. y = -x2 - 2x - 1 B. y = x2 - 2x + 1
    C. y = x2 + 2x + 1 D. y = -x2 +2x - 1
    Hint

  3.   The property of a parabola that allows it to be folded in half so that each half matches the other exactly is called what?
    A. maximum B. minimum
    C. vertex D. symmetry
    Hint

  4.   What is the y-intercept of the function y = 2x2 + 1
    A. 0 B. 1
    C. 3 D. none
    Hint

  5.   Which of the following graphs best represents the function y = –x2 + 7x + 8?
    A. B.
    C. D.
    Hint