1.   Find the product (2z - 5x)2.
    A. 4z2 - 25x2 - 20 B. 4z2 - 25x2
    C. 4z2 - 20zx + 25x2 D. 4z2 + 25x2
    Hint

  2.   Find the product (3a + b)2.
    A. 6a2 - 6ab + b2 B. 9a2 - b2
    C. 6a2 + 3ab + b2 D. 9a2 + 6ab + b2
    Hint

  3.   Find the product (6 + 3b)(6 – 3b).
    A. 36 + 36b - 9b2 B. 36 + 36b + 9b2
    C. 36 + 9b2 D. 36 - 9b2
    Hint

  4.   Find the product of x, x – 2, and x + 2.
    A. x3 + 4x2 + 4x B. x3 + 4x
    C. x3 - 4x D. x3 - 4
    Hint

  5.   Which equation represents the square of a difference?
    A. (ab)2 = a2 – 2ab + b2
    B. (a + b)2 = a2 + 2ab + b2
    C. (a + b)(ab) = a2 + b2
    D. (a + b)(ab) = a2b2
    Hint



Glencoe
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