1.   Which value of  c makes the trinomial  x2 + 16x +  c a perfect square?
    A. 32 B. 64
    C. 256 D. 128
    Hint

  2.   Solve  x2 + 3x - 10 = 0 by completing the square.
    A. -5, 2 B. 5
    C. 2 D. 2, 5
    Hint

  3.   Solve 4x2 - 8x + 3 = 0 by completing the square.
    A. B. , 3
    C. 1, 3 D.
    Hint

  4.   Solve  x2 - 4x + 1 = 0 by completing the square.
    A. B.
    C. 2 D. 1
    Hint

  5.   Solve x2 - 6x + 10 = 0 by completing the square.
    A. 1 ± i B. -3 ± i
    C. 2, 4 D. 3 ± i
    Hint