Intermediate Algebra - With Worksheet and MyMathLab
Intermediate Algebra - With Worksheet and MyMathLab
8th Edition
ISBN: 9780134596198
Author: Tobey
Publisher: PEARSON
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Concept explainers

Percentage
A percentage is a number indicated as a fraction of 100. It is a dimensionless number often expressed using the symbol %.
Algebraic Expressions
In mathematics, an algebraic expression consists of constant(s), variable(s), and mathematical operators. It is made up of terms.
Numbers
Numbers are some measures used for counting. They can be compared one with another to know its position in the number line and determine which one is greater or lesser than the other.
Subtraction
Before we begin to understand the subtraction of algebraic expressions, we need to list out a few things that form the basis of algebra.
Addition
Before we begin to understand the addition of algebraic expressions, we need to list out a few things that form the basis of algebra.
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Chapter 6, Problem 9RP

Simplify.

4 a 3 b 2 4 x 2 − 4 x − 3 ÷ 8 a b 4 6 x 2 − 11 x + 3

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Chapter 6, Problem 8RP
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Chapter 6 Solutions

Intermediate Algebra - With Worksheet and MyMathLab

Ch. 6.1 - Find the domain of each of the following rational...Ch. 6.1 - Find the domain of each of the following rational...Ch. 6.1 - Find the domain of each of the following rational...Ch. 6.1 - Prob. 4ECh. 6.1 - Simplify completely. − 18 x 4 y 12 x 2 y 6Ch. 6.1 - Simplify completely. − 7 x y 2 28 x 5 yCh. 6.1 - Prob. 7ECh. 6.1 - Simplify completely. 24 x 2 − 4 x 4 x 2 − 8 xCh. 6.1 - Simplify completely. 8 x 2 28 x 2 + 4 xCh. 6.1 - Simplify completely. 30 x 2 6 x 2 + 18 x
Ch. 6.1 - Simplify completely. 11. Ch. 6.1 - Simplify completely. 6 m 2 n 4 + 2 m n 3 4 m n 2 −...Ch. 6.1 - Simplify completely. 13. Ch. 6.1 - Simplify completely. 6 x 2 − 15 x 3 xCh. 6.1 - Simplify completely. 15. Ch. 6.1 - Simplify completely. x + 2 7 x 2 − 28Ch. 6.1 - Simplify completely. 17. Ch. 6.1 - Simplify completely. 18. Ch. 6.1 - Simplify completely 2 y 2 + y − 10 4 − y 2Ch. 6.1 - Simplify completely. 20. Ch. 6.1 - Multiply. 21. Ch. 6.1 - Multiply. 24 x 4 y 2 − 12 x 5 y ⋅ 8 x 3 30 x 2 yCh. 6.1 - Multiply. 3 a 2 a 2 + 4 a + 4 ⋅ a 2 − 4 3 aCh. 6.1 - Multiply. 24. Ch. 6.1 - Multiply. 25. Ch. 6.1 - Multiply. 26. Ch. 6.1 - Multiply. x 2 − 3 x y − 10 y 2 x + y ⋅ x 2 + 7 x y...Ch. 6.1 - Multiply. 28. Ch. 6.1 - Multiply. y 2 − y − 12 2 y 2 + y − 1 ⋅ 2 x y 2 + 7...Ch. 6.1 - Multiply. 30. Ch. 6.1 - Multiply. 31. Ch. 6.1 - Prob. 32ECh. 6.1 - Divide. 2 m n − m 15 m 3 ÷ 2 n − 1 3 m 2Ch. 6.1 - Prob. 34ECh. 6.1 - Divide. 35. Ch. 6.1 - Divide. a 2 − 3 a a 2 − 9 ÷ a 3 − a 2 4 a 2 − a −...Ch. 6.1 - Divide. x 2 − x y − 6 y 2 x 2 + 2 ÷ ( x 2 + 2 x y...Ch. 6.1 - Divide. x 2 − 5 x + 4 2 x − 8 ÷ ( 3 x 2 − 3 x )Ch. 6.1 - Prob. 39ECh. 6.1 - Prob. 40ECh. 6.1 - Prob. 41ECh. 6.1 - Prob. 42ECh. 6.1 - Perform the operation indicated When no operation...Ch. 6.1 - Prob. 44ECh. 6.1 - Perform the operation indicated When no operation...Ch. 6.1 - Prob. 46ECh. 6.1 - Perform the operation indicated When no operation...Ch. 6.1 - Prob. 48ECh. 6.1 - Prob. 49ECh. 6.1 - Prob. 50ECh. 6.1 - Tropical Fish The total number of fish will depend...Ch. 6.1 - Prob. 52ECh. 6.1 - Prob. 53ECh. 6.1 - Prob. 54ECh. 6.1 - Tropical Fish The total number of fish will depend...Ch. 6.1 - Tropical Fish The total number of fish will depend...Ch. 6.1 - 57. [2.6.3] Solve. Ch. 6.1 - 58. [5.1.6] Multiply. Ch. 6.1 - 59. [1.2.2] Motorcyclist Deaths Between 2008 and...Ch. 6.1 - Prob. 1QQCh. 6.1 - Prob. 2QQCh. 6.1 - Prob. 3QQCh. 6.1 - Prob. 4QQCh. 6.2 - Verbal and Writing Skills, Exercises 1 and 2 1....Ch. 6.2 - Prob. 2ECh. 6.2 - Find the LCD. 3 x − 1 ,     4 x 2 − 2 x + 1Ch. 6.2 - Prob. 4ECh. 6.2 - Find the LCD. 5. Ch. 6.2 - Prob. 6ECh. 6.2 - Find the LCD. 3 x ( 2 x + 5 ) 3 ,   x − 2 ( x + 1...Ch. 6.2 - Prob. 8ECh. 6.2 - Find the LCD. 2 y 2 x 2 + x ,   11 x y 15 x 2 − x...Ch. 6.2 - Prob. 10ECh. 6.2 - Prob. 11ECh. 6.2 - Prob. 12ECh. 6.2 - Add or subtract and simplify your answers. 13. Ch. 6.2 - Prob. 14ECh. 6.2 - Add or subtract and simplify your answers. 3 x 2 −...Ch. 6.2 - Prob. 16ECh. 6.2 - Add or subtract and simplify your answers. 17. Ch. 6.2 - Prob. 18ECh. 6.2 - Add or subtract and simplify your answers. − 5 y y...Ch. 6.2 - Prob. 20ECh. 6.2 - Add or subtract and simplify your answers. 21. Ch. 6.2 - Prob. 22ECh. 6.2 - Add or subtract and simplify your answers. 5 x − 4...Ch. 6.2 - Prob. 24ECh. 6.2 - Add or subtract and simplify your answers. 25. Ch. 6.2 - Add or subtract and simplify your answers. 26. Ch. 6.2 - Add or subtract and simplify your answers. 4 y y 2...Ch. 6.2 - Prob. 28ECh. 6.2 - Add or subtract and simplify your answers. a + 2 +...Ch. 6.2 - Prob. 30ECh. 6.2 - 31. Artificial Lung If an artificial lung company...Ch. 6.2 - Prob. 32ECh. 6.2 - Prob. 33ECh. 6.2 - 34. Artificial Heart Determine the daily profit of...Ch. 6.2 - Prob. 35ECh. 6.2 - Prob. 36ECh. 6.2 - 37. [2.5.1] Purchase Price of Automobiles Jamie,...Ch. 6.2 - Prob. 38ECh. 6.2 - Prob. 1QQCh. 6.2 - Prob. 2QQCh. 6.2 - Prob. 3QQCh. 6.2 - Prob. 4QQCh. 6.3 - Simplify the complex fractions by any method. 1. Ch. 6.3 - Prob. 2ECh. 6.3 - Simplify the complex fractions by any method. − 4...Ch. 6.3 - Prob. 4ECh. 6.3 - Prob. 5ECh. 6.3 - Prob. 6ECh. 6.3 - Prob. 7ECh. 6.3 - Prob. 8ECh. 6.3 - Prob. 9ECh. 6.3 - Prob. 10ECh. 6.3 - Simplify the complex fractions by any method. 3 2...Ch. 6.3 - Prob. 12ECh. 6.3 - Prob. 13ECh. 6.3 - Prob. 14ECh. 6.3 - Prob. 15ECh. 6.3 - Prob. 16ECh. 6.3 - Prob. 17ECh. 6.3 - Prob. 18ECh. 6.3 - Simplify the complex fractions by any method. 19....Ch. 6.3 - Prob. 20ECh. 6.3 - Prob. 21ECh. 6.3 - Prob. 22ECh. 6.3 - Prob. 23ECh. 6.3 - Prob. 24ECh. 6.3 - Prob. 1QQCh. 6.3 - Prob. 2QQCh. 6.3 - Prob. 3QQCh. 6.3 - Prob. 4QQCh. 6.4 - Solve the equations and check your solutions. If...Ch. 6.4 - Prob. 2ECh. 6.4 - Solve the equations and check your solutions. If...Ch. 6.4 - Prob. 4ECh. 6.4 - Solve the equations and check your solutions. If...Ch. 6.4 - Solve the equations and check your solutions. If...Ch. 6.4 - Solve the equations and check your solutions. If...Ch. 6.4 - Solve the equations and check your solutions. If...Ch. 6.4 - Prob. 9ECh. 6.4 - Solve the equations and check your solutions. If...Ch. 6.4 - Solve the equations and check your solutions. If...Ch. 6.4 - Solve the equations and check your solutions. If...Ch. 6.4 - Solve the equations and check your solutions. If...Ch. 6.4 - Prob. 14ECh. 6.4 - Solve the equations and check your solutions. If...Ch. 6.4 - Prob. 16ECh. 6.4 - Solve the equations and check your solutions. If...Ch. 6.4 - Prob. 18ECh. 6.4 - Solve the equations and check your solutions. If...Ch. 6.4 - Solve the equations and check your solutions. If...Ch. 6.4 - Solve the equations and check your solutions. If...Ch. 6.4 - Prob. 22ECh. 6.4 - Solve the equations and check your solutions. If...Ch. 6.4 - Prob. 24ECh. 6.4 - Solve the equations and check your solutions. If...Ch. 6.4 - Solve the equations and check your solutions. If...Ch. 6.4 - Solve the equations and check your solutions. If...Ch. 6.4 - Prob. 28ECh. 6.4 - Verbal and Writing Skills In what situations will...Ch. 6.4 - Prob. 30ECh. 6.4 - Prob. 31ECh. 6.4 - Factor completely. [5.7.1] 2 x 2 + 20 x + 50Ch. 6.4 - Prob. 33ECh. 6.4 - Prob. 34ECh. 6.4 - Prob. 35ECh. 6.4 - Factor completely. [5.2.2] Divide. ( 2 x 3 − 3 x 2...Ch. 6.4 - Prob. 1QQCh. 6.4 - Prob. 2QQCh. 6.4 - Prob. 3QQCh. 6.4 - Prob. 4QQCh. 6.5 - Prob. 1ECh. 6.5 - Prob. 2ECh. 6.5 - Solve for the indicated variable. 3. Ch. 6.5 - Solve for the indicated variable 1 f = 1 a + 1 b ;...Ch. 6.5 - Solve for the indicated variable. V l h = w ;  ...Ch. 6.5 - Solve for the indicated variable r = I p t ;   for...Ch. 6.5 - Solve for the indicated variable. 7. Ch. 6.5 - Solve for the indicated variable. 8. Ch. 6.5 - Solve for the indicated variable r 3 V = 3 4 π ;  ...Ch. 6.5 - Solve for the indicated variable 10. Ch. 6.5 - Solve for the indicated variable. F = k q 1 q 2 r...Ch. 6.5 - Solve for the indicated variable. F = k q 1 q 2 r...Ch. 6.5 - Solve for the indicated variable. Q R 1 S 1 = Q R...Ch. 6.5 - Solve for the indicated variable. Q R 1 S 1 = Q R...Ch. 6.5 - Prob. 15ECh. 6.5 - Prob. 16ECh. 6.5 - Prob. 17ECh. 6.5 - Prob. 18ECh. 6.5 - Prob. 19ECh. 6.5 - Prob. 20ECh. 6.5 - Prob. 21ECh. 6.5 - Prob. 22ECh. 6.5 - Prob. 23ECh. 6.5 - Prob. 24ECh. 6.5 - Prob. 25ECh. 6.5 - Prob. 26ECh. 6.5 - Prob. 27ECh. 6.5 - Prob. 28ECh. 6.5 - Prob. 29ECh. 6.5 - Prob. 30ECh. 6.5 - Map Scale On a map of Nigeria, the cities of Benin...Ch. 6.5 - Prob. 32ECh. 6.5 - Prob. 33ECh. 6.5 - Prob. 34ECh. 6.5 - In exercises 35-50, round your answers to the...Ch. 6.5 - Prob. 36ECh. 6.5 - Prob. 37ECh. 6.5 - Prob. 38ECh. 6.5 - Prob. 39ECh. 6.5 - Prob. 40ECh. 6.5 - Prob. 41ECh. 6.5 - Prob. 42ECh. 6.5 - Prob. 43ECh. 6.5 - Prob. 44ECh. 6.5 - Prob. 45ECh. 6.5 - Prob. 46ECh. 6.5 - Prob. 47ECh. 6.5 - Prob. 48ECh. 6.5 - In exercises 35-50, round your answers to the...Ch. 6.5 - Prob. 50ECh. 6.5 - Prob. 51ECh. 6.5 - Prob. 52ECh. 6.5 - Prob. 53ECh. 6.5 - Prob. 54ECh. 6.5 - Prob. 55ECh. 6.5 - Prob. 56ECh. 6.5 - Prob. 1QQCh. 6.5 - Prob. 2QQCh. 6.5 - Prob. 3QQCh. 6.5 - Prob. 4QQCh. 6 - Simplify. 1. Ch. 6 - Prob. 2RPCh. 6 - Prob. 3RPCh. 6 - Prob. 4RPCh. 6 - Prob. 5RPCh. 6 - Prob. 6RPCh. 6 - Prob. 7RPCh. 6 - Prob. 8RPCh. 6 - Simplify. 9. Ch. 6 - Prob. 10RPCh. 6 - Prob. 11RPCh. 6 - Prob. 12RPCh. 6 - Prob. 13RPCh. 6 - Prob. 14RPCh. 6 - Prob. 15RPCh. 6 - Prob. 16RPCh. 6 - Prob. 17RPCh. 6 - Prob. 18RPCh. 6 - Prob. 19RPCh. 6 - Prob. 20RPCh. 6 - Prob. 21RPCh. 6 - Prob. 22RPCh. 6 - Prob. 23RPCh. 6 - Prob. 24RPCh. 6 - Prob. 25RPCh. 6 - Prob. 26RPCh. 6 - Prob. 27RPCh. 6 - Prob. 28RPCh. 6 - Prob. 29RPCh. 6 - Prob. 30RPCh. 6 - Prob. 31RPCh. 6 - Prob. 32RPCh. 6 - Prob. 33RPCh. 6 - Prob. 34RPCh. 6 - Prob. 35RPCh. 6 - Prob. 36RPCh. 6 - Prob. 37RPCh. 6 - Prob. 38RPCh. 6 - Prob. 39RPCh. 6 - Prob. 40RPCh. 6 - Prob. 41RPCh. 6 - Prob. 42RPCh. 6 - Prob. 43RPCh. 6 - Prob. 44RPCh. 6 - Prob. 45RPCh. 6 - Prob. 46RPCh. 6 - Prob. 47RPCh. 6 - Prob. 48RPCh. 6 - Solve the following exercises. If necessary, round...Ch. 6 - Prob. 50RPCh. 6 - Solve the following exercises. If necessary, round...Ch. 6 - Prob. 52RPCh. 6 - Prob. 53RPCh. 6 - Prob. 54RPCh. 6 - Prob. 55RPCh. 6 - Prob. 1TCh. 6 - Prob. 2TCh. 6 - Prob. 3TCh. 6 - Prob. 4TCh. 6 - Prob. 5TCh. 6 - Prob. 6TCh. 6 - Prob. 7TCh. 6 - Prob. 8TCh. 6 - Prob. 9TCh. 6 - Prob. 10TCh. 6 - Prob. 11TCh. 6 - Prob. 12TCh. 6 - Prob. 13TCh. 6 - Prob. 14TCh. 6 - Prob. 15TCh. 6 - Prob. 16TCh. 6 - Prob. 1CTCh. 6 - Prob. 2CTCh. 6 - Prob. 3CTCh. 6 - Prob. 4CTCh. 6 - Prob. 5CTCh. 6 - Prob. 6CTCh. 6 - Prob. 7CTCh. 6 - Prob. 8CTCh. 6 - Prob. 9CTCh. 6 - Prob. 10CTCh. 6 - Prob. 11CTCh. 6 - Prob. 12CTCh. 6 - Prob. 13CTCh. 6 - Prob. 14CTCh. 6 - Prob. 15CTCh. 6 - Prob. 16CTCh. 6 - Prob. 17CTCh. 6 - Prob. 18CTCh. 6 - Prob. 19CTCh. 6 - Prob. 20CTCh. 6 - Prob. 21CTCh. 6 - Prob. 22CTCh. 6 - Prob. 23CTCh. 6 - Prob. 24CTCh. 6 - Prob. 25CTCh. 6 - Prob. 26CTCh. 6 - Prob. 27CTCh. 6 - Prob. 28CTCh. 6 - Prob. 29CTCh. 6 - The mayor of Chicago decided that in the coming...
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