1.   Factor the trinomial 9b2 – 24b + 16.
    A. (3b – 4)2 B. prime
    C. (3b – 4)(3b + 4) D. (3b + 2)(3b – 8)
    Hint

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

  3.   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

  4.   Factor the trinomial 4x2 + 12x + 9.
    A. (2x + 3) 2 B. (2x – 3) 2
    C. (2x + 3)(3x + 2) D. (2x + 3)(2x – 3)
    Hint

  5.   The area of a square is x2 – 16x + 64 square units. Find the perimeter.
    A. (4x – 32) units B. (x – 8) units
    C. (x + 8) units D. (4x + 32) units
    Hint



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