ANSWER: 8-1 Multiplying and Dividing Rational Expressions
Simplify each expression.
5. 1. ANSWER: ANSWER: 6. 2. ANSWER: ANSWER: 7. 3. MULTIPLE CHOICE Identify all values of x for
which
is undefined.
ANSWER: A –7, 4
B 7, 4
C 4, –7, 7
8. D –4, 7
ANSWER: ANSWER: D
Simplify each expression.
9. 4. ANSWER: ANSWER: 10. eSolutions Manual - Powered by Cognero
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5. ANSWER: 8-1 Multiplying and Dividing Rational Expressions
ANSWER: 4
12. CCSS SENSE-MAKING The volume of a
shipping container in the shape of a rectangular prism
10. 3
2
can be represented by the polynomial 6x + 11x +
4x, where the height is x.
a. Find the length and width of the container.
ANSWER: b. Find the ratio of the three dimensions of the
container when x = 2.
c. Will the ratio of the three dimensions be the same
for all values of x?
11. ANSWER: 4
12. CCSS SENSE-MAKING The volume of a
shipping container in the shape of a rectangular prism
ANSWER: a. 2x + 1, 3x + 4
can be represented by the polynomial 6x + 11x +
4x, where the height is x.
a. Find the length and width of the container.
c. no
3
2
b. 2 : 5 : 10
b. Find the ratio of the three dimensions of the
container when x = 2.
c. Will the ratio of the three dimensions be the same
for all values of x?
ANSWER: a. 2x + 1, 3x + 4
b. 2 : 5 : 10
c. no
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