1.   Simplify 3 + 2(xy+ 3z) + 4xy.
    A. 9xy + 15z B. 6xy + 6z + 3
    C. 6xy + 3z + 3 D. 5xy + 3z + 3
    Hint

  2.   Write an algebraic expression for the verbal expression: three times the sum of x and y increased by five times the product of x and 3y.
    A. 3(xy) + 5(x + 3y) B. 3x + y + 5x(3y)
    C. 3(x + y) + 5(3xy) D. 3(x + y) + 5(x + 3y)
    Hint

  3.   Simplify 2x + 5x + 4(x + 3).
    A. 23x B. 11x + 12
    C. 11x + 3 D. 14x
    Hint

  4.   Simplify the expression 8 (a + 2b) – 7b + 6 (3ab).
    A. 26a – 6b B. 4a – 6b
    C. 152a – 88b D. 26a + 3b
    Hint

  5.   Simplify -5(6a - 9b) - 2(a - b).
    A. -32a - 47b B. 32a - 47b
    C. -30a - 45b D. -32a + 47b
    Hint



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