Algebra Practice Quiz 7

Multiple Choice Questions. Click on the correct answer.

Problem 9.


9. (a+b)(x+y) = xa +bx + ya +by. What properties were used in this equation?
    I.
    distributive.
    II.
    commutative for addition.
    III.
    commutative for multiplication.
    IV.
    associative addition.
    V.
    associative for multiplication.

    (a)
    I, III, V.
    (b)
    I, II, IV.
    (c)
    I, II, III.
    (d)
    I, II, III, IV, V.
    (e)
    None of these.


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