1.   Which number is not a prime number?
    A. 31 B. 11
    C. 51 D. 7
    Hint

  2.   The product of the prime factors common to two integers is called the _____.
    A. greatest common factor B. prime factorization
    C. composite term D. least common denominator
    Hint

  3.   Factor the polynomial 6x2 + 2x.
    A. 2x(3x + 1) B. 3x2(2x + 1)
    C. 3x(2x + 1) D. 2x2(3x + 1)
    Hint

  4.   Factor the trinomial 4x3 – 24x2 – 108x.
    A. (x – 9)(x + 3) B. 4x(x – 9)(x + 3)
    C. 4(x – 9x)(x + 3x) D. 4x(x2 – 6x – 27)
    Hint

  5.   Factor the binomial x2 + 81.
    A. (x + 9)2 B. (x – 18)(x + 5)
    C. (x – 9)(x + 9) D. prime
    Hint

  6.   Factor the trinomial x2 – 11x – 42.
    A. (x + 14)(x + 3) B. (x + 14)(x – 3)
    C. (x – 14)(x – 3) D. (x – 14)(x +3)
    Hint

  7.   Divide 36jk3 – 42j3k by 6jk.
    A. 7k – 6j2 B. 7jk – 6j2k
    C. 6jk – 7j2k D. 6k2 – 7j2
    Hint

  8.   Factor 10x2 + 23x + 6.
    A. (5x + 2)(2x + 3) B. (10x + 2)(x + 3)
    C. (10x + 3)(x + 2) D. (5x + 3)(2x + 2)
    Hint

  9.   Which of these represents factoring differences of squares?
    A. a2b2 = (ab)(a + b)
    B. a2 + b2 = (ab)(a + b)
    C. a2 + 2ab + b2 = (a + b)(a + b)
    D. a2 – 2ab + b2 = (ab)(ab)
    Hint

  10.   Which diagram shows a correct factorization for 5x2 - 13x - 6?
    A. B.
    C. D.
    Hint



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