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Elementary and Intermediate Algebra
Mark Dugopolski, Southeastern Louisiana University
Rational Expressions
Multiplication and Division
Warm-Ups
1
2/3 · 5/3 = 10/9
A)
TRUE
B)
FALSE
2
The product of (x - 7)/3 and 6/(7 - x) is -2.
A)
TRUE
B)
FALSE
3
Dividing by 2 is equivalent to multiplying by 1/2.
A)
TRUE
B)
FALSE
4
3 ÷ x = 1/3 · x for any nonzero number x.
A)
TRUE
B)
FALSE
5
Factoring polynomials is essential in multiplying rational expressions.
A)
TRUE
B)
FALSE
6
One-half of one-fourth is one-sixth.
A)
TRUE
B)
FALSE
7
One-half divided by three is three-halves.
A)
TRUE
B)
FALSE
8
The quotient of (839 - 487) and (487 - 839) is -1.
A)
TRUE
B)
FALSE
9
a/3 ÷ 3 = a/9 for any value of a.
A)
TRUE
B)
FALSE
10
a/b · b/a = 1 for any nonzero values of a and b.
A)
TRUE
B)
FALSE
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