Solution Manual — College Algebra, 5th Edition — Cynthia Y. Young

College Algebra – 5th Edition
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SOLUTIONS
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MANUAL
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Cynthia Y. Young
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Comprehensive Solution Manual for
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Instructors and Students
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© Cynthia Y. Young

All rights reserved. Reproduction or distribution without permission is prohibited.




©STUDYSTREAM

, TABLE OF CONTENTS
College Algebra – 5th Edition
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Cynthia Y. Young
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1. Equations and Inequalities
2. Graphs
3. Functions and Their Graphs
4. Polynomial and Rational Functions
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5. Exponential and Logarithmic Functions
6. Systems of Linear Equations and Inequalities
7. Matrices
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8. Conics and Systems of Nonlinear Equations and Inequalities
9. Sequences, Series, and Probability
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©STUDYSTREAM

, CHAPTER 1
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Section 1.1 Solutions -----------------------------------------------------------------------------

1. 2. 3.
5x  35 4t  32 3  n  12
1 1 1 1 3  3  n  3 12
5x  35  4t  32
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5 5 4 4 n  15
x7 t8
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4. 5. 6.
4  5  y 24  3x 50  5t
5  4  5  5  y 1 1 1 1
  24   (3x)   (50)   (5t)
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9 y 3 3 5 5
8  x 10  t

7. 8. 9.
1 1 3x  5  7
6 p
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n 3
5 3 3x  12
1 1 
5  n  5 3 3 6  3 p
3  x4
5  
n  15 18  p
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10. 11. 12.
4p 5  9 9m  7  11 2x  4  5
4p  4 9m  18 2x  1
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p 1 m2 x 1 2

13. 14. 15.
5t 11  18 7x  4  21 24x 3x  5  25  6x
5t  7 7x  17  24x 3x  30  6x
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t7 5 17x  17 3x  30
x  1 x  10
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, Chapter 1

16. 17. 18.
5x 10  25  2x 20n  30  20  5n 14c 15  43  7c
5x  15  2x 20n  50  5n 14c  28  7c
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3x  15 25n  50 7c  28
x5 n2 c4

19. 20.
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4(x  3)  2(x  6) 5(2y 1)  2(4y  3)
4x 12  2x 12 10y  5  8y  6
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2x  24 2y  1
x  12 y  12

21. 22.
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3(4t  5)  5(6  2t) 2(3n  4)  (n  2)
12t 15  30 10t 6n  8  n  2
15  2t 7n  10
 15 2  t n  10 7
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23. 24.
2 x 1  3  x  3x 1 4  y  6   8  2y  4  y  2
2x  2  3  x  3x  3 4y  24  8  2y  4y  8
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2x 1  2x  3 4y 16  2y  8
4x  4 6y  24
x  1 y  4

25. 26.
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5p  6  p  7  3 p  2 3z  5  5  4z  7 z  2
5p  6 p  42  3p  6 3z 15  5  4z  7z 14
11p  42  3p  6 3z 10  11z 14
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8p  36 8z  24
9 z 3
p 
2
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