1.   Find the GCF of 36a2b and 81ab2.
    A. 3a2b B. 3ab
    C. 12ab D. 9ab
    Hint

  2.   Factor the polynomial 33x2 – 3xz + 45xy.
    A. 3(11x2xz + 15xy) B. 3x(11x – 1 + 15y)
    C. 3x(11x + 15y) D. 3x(11x – z + 15y)
    Hint

  3.   Factor the trinomial x2 + 13x + 36.
    A. (x + 6)(x + 6) B. (x + 2)(x + 18)
    C. (x + 9)(x + 4) D. (x + 3)(x + 12)
    Hint

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

  5.   Factor the trinomial 5x2 – 7x + 2.
    A. (5x – 1)(x + 2) B. (5x – 2)(x + 1)
    C. (5x – 2)(x – 1) D. prime
    Hint

  6.   Select the trinomial that is not a perfect square trinomial.
    A. 9x2 – 6x + 1 B. x2 + 8x + 16
    C. 25x2 + 40x + 16 D. x2 + 9x + 3
    Hint

  7.   Factor the monomial 15x2y2z3.
    A. 15 · x · y · z · z B. 3 · 5 · x · y · z · z
    C. 3 · 5 · x · x · y · y · z · z · z D. 15 · x · x · y · y · z · z · z
    Hint

  8.   Factor the polynomial 3cd2 + 9b3.
    A. 3(cd2 + 3b3) B. 3c(d2 + 3b3)
    C. c(3d2 + 9b3) D. cannot be factored
    Hint

  9.   Factor the trinomial 5c2 – 7c – 24.
    A. (5c + 3)(c – 8) B. (5c – 8)(c + 3)
    C. (5c + 8)(c – 3) D. (5c – 3)(c + 8)
    Hint

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



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