1.   Find (3a + 4b)2
    A. 3a2 + 24ab + 4b2
    B. 9a2 + 16b2
    C. 9a2 + 24ab + 16b2
    D. 9a2 + 12ab + 16b2
    Hint

  2.   Find (5t2 - 2w)2
    A. 25t4 – 20t2w + 4w2 B. 25t4 – 4w2
    C. 25t4 – 10t2w + 4w2 D. 25t4 + 4w2
    Hint

  3.   Find (x – 3)(x + 3).
    A. x2 - 6x - 9 B. x2 - 9
    C. x2 + 9 D. x2 - 6x + 9
    Hint

  4.   Expand the expression.(3z + n) >2
    A. 9m2 + n>2 B. 9m2 + 6mn + n>2
    C. 9n>2 + 6n + m>2 D. 9n2 + 6m + m>2
    Hint

  5.   Use the difference of two squares to find the product.
    A. (60 + 1)(60 + 1) = 3,600 + 120 + 1 = 3,721
    B. –(60 + 1)(60 + 1) = –3,600 – 120 – 1 =– 3,721
    C. –(60 + 1)(60 – 1) = –3,600 + 1 = –3,599
    D. (60 + 1)(60 – 1) = 3,600 – 1 = 3,599
    Hint



Glencoe
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