Pearson eText Algebra and Trigonometry: Graphs and Models -- Instant Access (Pearson+)
6th Edition
ISBN: 9780136880172
Author: Marvin Bittinger, Judith Beecher
Publisher: PEARSON+
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Chapter J.27, Problem 11E
To determine
To simplify: The expression
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Chapter 5 Test Form A
of 2
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ZOOM
+ |
Find any real numbers for which each expression is undefined.
2x 4
1.
x
Name:
Date:
1.
3.x-5
2.
2.
x²+x-12
4x-24
3. Evaluate
when x=-3.
3.
x
Simplify each rational expression.
x²-3x
4.
2x-6
5.
x²+3x-18
x²-9
6. Write an equivalent rational expression with the given
denominator.
2x-3
x²+2x+1(x+1)(x+2)
Perform the indicated operation and simplify if possible.
x²-16 x-3
7.
3x-9 x²+2x-8
x²+9x+20 5x+25
8.
4.x
2x²
9.
x-5 x-5
3
5
10.
4x-3
8x-6
2
3
11.
x-4 x+4
x
12.
x-2x-8 x²-4
←
->
Copyright ©2020 Pearson Education, Inc.
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12.
T-97
Problem #5
Suppose you flip a two sided fair coin ("heads" or "tails") 8 total times.
a). How many ways result in 6 tails and 2 heads?
b). How many ways result in 2 tails and 6 heads?
c). Compare your answers to part (a) and (b) and explain in a few sentences why the
comparison makes sense.
A local company has a 6 person management team and 20 employees. The company needs to select 3 people from the management team and 7 employees to attend a regional meeting. How many different possibilities are there for the group that can be sent to the regional meeting?
Chapter J Solutions
Pearson eText Algebra and Trigonometry: Graphs and Models -- Instant Access (Pearson+)
Ch. J.1 - In Exercises 1-6, consider the numbers
6, −2.45,...Ch. J.1 - In Exercises 1–6, consider the numbers
6, −2.45,...Ch. J.1 - In Exercises 1–6, consider the numbers
6, −2.45,...Ch. J.1 - In exercises 1–6, consider the numbers
6, −2.45,...Ch. J.1 - Prob. 5ECh. J.1 - In Exercises 1–6, consider the numbers
6, −2.45,...Ch. J.2 - Name the property illustrated by the sentence.
1....Ch. J.2 - Prob. 2ECh. J.2 - Prob. 3ECh. J.2 - Prob. 4E
Ch. J.2 - Prob. 5ECh. J.2 - Prob. 6ECh. J.2 - Prob. 7ECh. J.2 - Prob. 8ECh. J.2 - Prob. 9ECh. J.2 - Prob. 10ECh. J.3 - Classify the inequality as true or false.
1. 9 <...Ch. J.3 - Prob. 2ECh. J.3 - Prob. 3ECh. J.3 - Prob. 4ECh. J.3 - Prob. 5ECh. J.3 - Prob. 6ECh. J.4 - Simplify.
1. |−98|
Ch. J.4 - Prob. 2ECh. J.4 - Prob. 3ECh. J.4 - Prob. 4ECh. J.4 - Prob. 5ECh. J.4 - Prob. 6ECh. J.4 - Prob. 7ECh. J.4 - Prob. 8ECh. J.5 - Compute and simplify.
1. 8 − (−11)
Ch. J.5 - Prob. 2ECh. J.5 - Prob. 3ECh. J.5 - Prob. 4ECh. J.5 - Prob. 5ECh. J.5 - Prob. 6ECh. J.5 - Prob. 7ECh. J.5 - Prob. 8ECh. J.5 - Prob. 9ECh. J.5 - Prob. 10ECh. J.5 - Prob. 11ECh. J.5 - Prob. 12ECh. J.5 - Prob. 13ECh. J.5 - Prob. 14ECh. J.5 - Prob. 15ECh. J.6 - Write interval notation.
1. {x| −5 ≤ x ≤ 5}
Ch. J.6 - Prob. 2ECh. J.6 - Prob. 3ECh. J.6 - Prob. 4ECh. J.6 - Prob. 5ECh. J.6 - Prob. 6ECh. J.6 - Prob. 7ECh. J.6 - Prob. 8ECh. J.6 - Prob. 9ECh. J.6 - Prob. 10ECh. J.7 - Prob. 1ECh. J.7 - Prob. 2ECh. J.7 - Prob. 3ECh. J.7 - Prob. 4ECh. J.7 - Prob. 5ECh. J.7 - Prob. 6ECh. J.7 - Prob. 7ECh. J.7 - Prob. 8ECh. J.7 - Prob. 9ECh. J.7 - Prob. 10ECh. J.8 - Prob. 1ECh. J.8 - Prob. 2ECh. J.8 - Prob. 3ECh. J.8 - Prob. 4ECh. J.8 - Prob. 5ECh. J.8 - Prob. 6ECh. J.8 - Prob. 7ECh. J.8 - Prob. 8ECh. J.9 - Calculate.
1. 3 + 18 ÷ 6 − 3
Ch. J.9 - Calculate.
2. 5 ∙ 3 + 8 ∙ 32 + 4(6 − 2)
Ch. J.9 - Calculate.
3. 5(3 – 8 ∙ 32 + 4 ∙ 6 − 2)
Ch. J.9 - Calculate.
4. 16 ÷ 4 ∙ 4 ÷ 2 ∙ 256
Ch. J.9 - Calculate.
5. 26 ∙2−3 ÷ 210 ÷ 2−8
Ch. J.9 - Prob. 6ECh. J.9 - Prob. 7ECh. J.9 - Prob. 8ECh. J.10 - Determine the degree of the polynomial.
1. 5 − x6
Ch. J.10 - Prob. 2ECh. J.10 - Prob. 3ECh. J.10 - Prob. 4ECh. J.10 - Prob. 5ECh. J.10 - Prob. 6ECh. J.10 - Prob. 7ECh. J.10 - Prob. 8ECh. J.11 - Prob. 1ECh. J.11 - Prob. 2ECh. J.11 - Prob. 3ECh. J.11 - Prob. 4ECh. J.11 - Prob. 5ECh. J.12 - Prob. 1ECh. J.12 - Prob. 2ECh. J.12 - Prob. 3ECh. J.12 - Prob. 4ECh. J.12 - Prob. 5ECh. J.12 - Prob. 6ECh. J.13 - Prob. 1ECh. J.13 - Prob. 2ECh. J.13 - Prob. 3ECh. J.13 - Prob. 4ECh. J.13 - Prob. 5ECh. J.13 - Prob. 6ECh. J.14 - Prob. 1ECh. J.14 - Prob. 2ECh. J.14 - Prob. 3ECh. J.14 - Prob. 4ECh. J.14 - Prob. 5ECh. J.14 - Prob. 6ECh. J.14 - Factor the trinomial.
7. 2n2 − 20n − 48
Ch. J.14 - Prob. 8ECh. J.14 - Prob. 9ECh. J.14 - Prob. 10ECh. J.14 - Prob. 11ECh. J.14 - Prob. 12ECh. J.15 - Prob. 1ECh. J.15 - Prob. 2ECh. J.15 - Prob. 3ECh. J.16 - Factor the difference of squares.
1. z2 − 81
Ch. J.16 - Prob. 2ECh. J.16 - Prob. 3ECh. J.16 - Prob. 4ECh. J.16 - Prob. 5ECh. J.16 - Prob. 6ECh. J.16 - Prob. 7ECh. J.16 - Factor the sum or the difference of cubes.
8. m3 −...Ch. J.16 - Factor the sum or the difference of cubes.
9. 3a5...Ch. J.16 - Factor the sum or the difference of cubes.
10. t6...Ch. J.17 - Prob. 1ECh. J.17 - Prob. 2ECh. J.17 - Prob. 3ECh. J.17 - Prob. 4ECh. J.17 - Prob. 5ECh. J.17 - Prob. 6ECh. J.17 - Prob. 7ECh. J.17 - Prob. 8ECh. J.18 - Prob. 1ECh. J.18 - Prob. 2ECh. J.18 - Prob. 3ECh. J.18 - Prob. 4ECh. J.18 - Prob. 5ECh. J.18 - Prob. 6ECh. J.19 - Prob. 1ECh. J.19 - Prob. 2ECh. J.19 - Prob. 3ECh. J.19 - Prob. 4ECh. J.19 - Prob. 5ECh. J.19 - Prob. 6ECh. J.19 - Prob. 7ECh. J.19 - Prob. 8ECh. J.20 - Prob. 1ECh. J.20 - Prob. 2ECh. J.20 - Prob. 3ECh. J.20 - Prob. 4ECh. J.20 - Prob. 5ECh. J.20 - Prob. 6ECh. J.21 - Find the domain of the rational expression.
1.
Ch. J.21 - Prob. 2ECh. J.21 - Prob. 3ECh. J.21 - Prob. 4ECh. J.21 - Simplify.
5.
Ch. J.21 - Simplify.
6.
Ch. J.22 - Multiply or divide and, if possible, simplify.
1....Ch. J.22 - Prob. 2ECh. J.22 - Prob. 3ECh. J.22 - Prob. 4ECh. J.22 - Multiply or divide and, if possible, simplify.
5....Ch. J.22 - Multiply or divide and, if possible, simplify.
6....Ch. J.23 - Add or subtract and, if possible, simplify.
1.
Ch. J.23 - Prob. 2ECh. J.23 - Prob. 3ECh. J.23 - Prob. 4ECh. J.23 - Add or subtract and, if possible, simplify.
5.
Ch. J.23 - Add or subtract and, if possible, simplify.
6.
Ch. J.24 - Simplify.
1.
Ch. J.24 - Prob. 2ECh. J.24 - Simplify.
3.
Ch. J.24 - Prob. 4ECh. J.24 - Simplify.
5.
Note: b − a = −1(a − b)
Ch. J.25 - Simplify. Assume that no radicands were formed by...Ch. J.25 - Prob. 2ECh. J.25 - Prob. 3ECh. J.25 - Prob. 4ECh. J.25 - Prob. 5ECh. J.25 - Prob. 6ECh. J.25 - Prob. 7ECh. J.25 - Simplify. Assume that no radicands were formed by...Ch. J.25 - Simplify. Assume that no radicands were formed by...Ch. J.25 - Prob. 10ECh. J.25 - Prob. 11ECh. J.25 - Prob. 12ECh. J.25 - Simplify. Assume that no radicands were formed by...Ch. J.25 - Prob. 14ECh. J.25 - Prob. 15ECh. J.25 - Prob. 16ECh. J.25 - Simplify. Assume that no radicands were formed by...Ch. J.25 - Simplify. Assume that no radicands were formed by...Ch. J.25 - Prob. 19ECh. J.25 - Prob. 20ECh. J.26 - Rationalize the denominator.
1.
Ch. J.26 - Rationalize the denominator.
2.
Ch. J.26 - Prob. 3ECh. J.26 - Rationalize the denominator.
4.
Ch. J.26 - Prob. 5ECh. J.26 - Prob. 6ECh. J.26 - Prob. 7ECh. J.26 - Rationalize the denominator.
8.
Ch. J.27 - Convert to radical notation and, if possible,...Ch. J.27 - Prob. 2ECh. J.27 - Convert to radical notation and, if possible,...Ch. J.27 - Prob. 4ECh. J.27 - Convert to radical notation and, if possible,...Ch. J.27 - Prob. 6ECh. J.27 - Prob. 7ECh. J.27 - Prob. 8ECh. J.27 - Prob. 9ECh. J.27 - Prob. 10ECh. J.27 - Simplify and then, if appropriate, write radical...Ch. J.28 - Prob. 1ECh. J.28 - Prob. 2ECh. J.28 - Prob. 3ECh. J.28 - Prob. 4ECh. J.28 - Prob. 5E
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