1.   The factors of x2 - 8x - 20 = 0 are ____.
    A. (x - 2) and (x - 10) B. (x - 2) and (x + 10)
    C. (x + 2) and (x - 10) D. (x + 2) and (x + 10)
    Hint

  2.   The roots of the equation x2 - 8x - 20 = 0 are ____.
    A. 2 and -10 B. -2 and -10
    C. 2 and 10 D. -2 and 10
    Hint

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

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

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



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