1.   The graph of y = -4x2 - 1 is _____.
    A. None of these is correct. B. a parabola
    C. a straight line D. a circle
    Hint

  2.   Find the graph of y = x2 + 1.
    A. B.
    C. D.
    Hint

  3.   Which way does the graph of y = –2x2 open?
    A. up B. left
    C. right D. down
    Hint

  4.   What is the lowest point on the graph of y = x2 + 2?
    A. (0, 0) B. (2, 0)
    C. (0, –2) D. (0, 2)
    Hint

  5.   How many diagonals are connected to each vertex for a 25-sided polygon?
    A. 25 B. 22
    C. 21 D. 20
    Hint



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