1.   The vertex of the graph of the equation y = -x2 + 6x + 1 is
    A. a minimum B. both a maximum and a minimum
    C. a maximum D. neither a maximum nor a minimum
    Hint

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

  3.   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

  4.   Suppose the equation of the axis of symmetry is x = 2. What is the y-coordinate of the vertex?
    A. 2 B. 4
    C. -2 D. cannot be determined from given information
    Hint

  5.   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. vertex B. symmetry
    C. minimum D. maximum
    Hint



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