1.   If you solve x2 - 8x - 20 = 0 by the method of completing the square, add 20 to each side and then ____.
    A. add 4 to each side B. add 16 to each side
    C. add 32 to each side D. add 8 to each side
    Hint

  2.   If you solve 2m2 + 8m + 1 = 0 by completing the square, first divide each side of the equation by ____.
    A. 1 B. 8
    C. D. 2
    Hint

  3.   The equation x2 + x - 1 = 0 cannot be solved by ____.
    A. using the quadratic formula B. graphing
    C. factoring D. completing the square
    Hint

  4.   Solve the equation 2x2 -x + 4 = 0 by any method.
    A. 1 i B. i
    C. i D. i
    Hint

  5.   Find the discriminant of x2 - 2x + 20 = 0.
    A. -76 B. 76
    C. -72 D. 72
    Hint