Pearson eText for Graphical Approach to College Algebra, A -- Instant Access (Pearson+)
Pearson eText for Graphical Approach to College Algebra, A -- Instant Access (Pearson+)
7th Edition
ISBN: 9780137399918
Author: John Hornsby, Margaret Lial
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 R.5, Problem 49E
To determine

The simplest form of the expression −4a−1a2/3a−2 and write the answer with only positive exponents.

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Chapter R.5, Problem 48E
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Chapter R Solutions

Pearson eText for Graphical Approach to College Algebra, A -- Instant Access (Pearson+)

Ch. R.1 - Prob. 1ECh. R.1 - Prob. 2ECh. R.1 - Prob. 3ECh. R.1 - Prob. 4ECh. R.1 - Prob. 5ECh. R.1 - Prob. 6ECh. R.1 - Prob. 7ECh. R.1 - Prob. 8ECh. R.1 - Prob. 9ECh. R.1 - Prob. 10E
Ch. R.1 - Prob. 11ECh. R.1 - Prob. 12ECh. R.1 - Prob. 13ECh. R.1 - Prob. 14ECh. R.1 - Prob. 15ECh. R.1 - Prob. 16ECh. R.1 - Prob. 17ECh. R.1 - Prob. 18ECh. R.1 - Prob. 19ECh. R.1 - Prob. 20ECh. R.1 - Prob. 21ECh. R.1 - Prob. 22ECh. R.1 - Prob. 23ECh. R.1 - Prob. 24ECh. R.1 - Prob. 25ECh. R.1 - Prob. 26ECh. R.1 - Prob. 27ECh. R.1 - Prob. 28ECh. R.1 - Prob. 29ECh. R.1 - Prob. 30ECh. R.1 - Prob. 31ECh. R.1 - Prob. 32ECh. R.1 - Prob. 33ECh. R.1 - Prob. 34ECh. R.1 - Prob. 35ECh. R.1 - Prob. 36ECh. R.1 - Prob. 37ECh. R.1 - Prob. 38ECh. R.1 - Prob. 39ECh. R.1 - Prob. 40ECh. R.1 - Prob. 41ECh. R.1 - Prob. 42ECh. R.1 - Prob. 43ECh. R.1 - Prob. 44ECh. R.1 - Prob. 45ECh. R.1 - Prob. 46ECh. R.1 - Prob. 47ECh. R.1 - Prob. 48ECh. R.1 - Prob. 49ECh. R.1 - Prob. 50ECh. R.1 - Prob. 51ECh. R.1 - Prob. 52ECh. R.1 - Prob. 53ECh. R.1 - Prob. 54ECh. R.1 - Prob. 55ECh. R.1 - Prob. 56ECh. R.1 - Prob. 57ECh. R.1 - Prob. 58ECh. R.1 - Prob. 59ECh. R.1 - Let List the elements in each set B ∪ ∅ Ch. R.1 - Prob. 61ECh. R.1 - Prob. 62ECh. R.2 - Prob. 1ECh. R.2 - Prob. 2ECh. R.2 - Prob. 3ECh. R.2 - Prob. 4ECh. R.2 - Prob. 5ECh. R.2 - Prob. 6ECh. R.2 - Prob. 7ECh. R.2 - Prob. 8ECh. R.2 - Prob. 9ECh. R.2 - Prob. 10ECh. R.2 - Prob. 11ECh. R.2 - Prob. 12ECh. R.2 - Prob. 13ECh. R.2 - Prob. 14ECh. R.2 - Prob. 15ECh. R.2 - Prob. 16ECh. R.2 - Prob. 17ECh. R.2 - Prob. 18ECh. R.2 - Prob. 19ECh. R.2 - Prob. 20ECh. R.2 - Prob. 21ECh. R.2 - Prob. 22ECh. R.2 - Prob. 23ECh. R.2 - Prob. 24ECh. R.2 - Prob. 25ECh. R.2 - Prob. 26ECh. R.2 - Prob. 27ECh. R.2 - Prob. 28ECh. R.2 - Prob. 29ECh. R.2 - Prob. 30ECh. R.2 - Prob. 31ECh. R.2 - Prob. 32ECh. R.2 - Prob. 33ECh. R.2 - Prob. 34ECh. R.2 - Prob. 35ECh. R.2 - Prob. 36ECh. R.2 - Prob. 37ECh. R.2 - Prob. 38ECh. R.2 - Prob. 39ECh. R.2 - Prob. 40ECh. R.2 - Prob. 41ECh. R.2 - Prob. 42ECh. R.2 - Prob. 43ECh. R.2 - Prob. 44ECh. R.2 - Prob. 45ECh. R.2 - Prob. 46ECh. R.2 - Prob. 47ECh. R.2 - Prob. 48ECh. R.2 - Prob. 49ECh. R.2 - Prob. 50ECh. R.2 - Prob. 51ECh. R.2 - Prob. 52ECh. R.2 - Prob. 53ECh. R.2 - Prob. 54ECh. R.2 - Prob. 55ECh. R.2 - Prob. 56ECh. R.2 - Prob. 57ECh. R.2 - Prob. 58ECh. R.2 - Prob. 59ECh. R.2 - Prob. 60ECh. R.2 - Prob. 61ECh. R.2 - Prob. 62ECh. R.2 - Prob. 63ECh. R.2 - Prob. 64ECh. R.3 - Prob. 1ECh. R.3 - Prob. 2ECh. R.3 - Prob. 3ECh. R.3 - Prob. 4ECh. R.3 - Prob. 5ECh. R.3 - Prob. 6ECh. R.3 - Prob. 7ECh. R.3 - Prob. 8ECh. R.3 - Prob. 9ECh. R.3 - Prob. 10ECh. R.3 - Prob. 11ECh. R.3 - Prob. 12ECh. R.3 - Prob. 13ECh. R.3 - Prob. 14ECh. R.3 - Prob. 15ECh. R.3 - Prob. 16ECh. R.3 - Prob. 17ECh. R.3 - Prob. 18ECh. R.3 - Prob. 19ECh. R.3 - Prob. 20ECh. R.3 - Prob. 21ECh. R.3 - Prob. 22ECh. R.3 - Prob. 23ECh. R.3 - Prob. 24ECh. R.3 - Prob. 25ECh. R.3 - Prob. 26ECh. R.3 - Prob. 27ECh. R.3 - Prob. 28ECh. R.3 - Prob. 29ECh. R.3 - Prob. 30ECh. R.3 - Prob. 31ECh. R.3 - Prob. 32ECh. R.3 - Prob. 33ECh. R.3 - Prob. 34ECh. R.3 - Prob. 35ECh. R.3 - Prob. 36ECh. R.3 - Prob. 37ECh. R.3 - Prob. 38ECh. R.3 - Prob. 39ECh. R.3 - Prob. 40ECh. R.3 - Prob. 41ECh. R.3 - Prob. 42ECh. R.3 - Prob. 43ECh. R.3 - Prob. 44ECh. R.3 - Prob. 45ECh. R.3 - Prob. 46ECh. R.3 - Prob. 47ECh. R.3 - Prob. 48ECh. R.3 - Prob. 49ECh. R.3 - Prob. 50ECh. R.3 - Prob. 51ECh. R.3 - Prob. 52ECh. R.3 - Prob. 53ECh. R.3 - Prob. 54ECh. R.3 - Prob. 55ECh. R.3 - Prob. 56ECh. R.3 - Prob. 57ECh. R.3 - Prob. 58ECh. R.3 - Prob. 59ECh. R.3 - Prob. 60ECh. R.3 - Prob. 61ECh. R.3 - Prob. 62ECh. R.3 - Prob. 63ECh. R.3 - Prob. 64ECh. R.3 - Prob. 65ECh. R.3 - Prob. 66ECh. R.3 - Prob. 67ECh. R.3 - Prob. 68ECh. R.3 - Prob. 69ECh. R.3 - Prob. 70ECh. R.3 - Prob. 71ECh. R.3 - Prob. 72ECh. R.3 - Prob. 73ECh. R.3 - Prob. 74ECh. R.3 - Prob. 75ECh. R.3 - Prob. 76ECh. R.3 - Prob. 77ECh. R.3 - Prob. 78ECh. R.3 - Prob. 79ECh. R.3 - Prob. 80ECh. R.3 - Prob. 81ECh. R.3 - Prob. 82ECh. R.3 - Prob. 83ECh. R.3 - Prob. 84ECh. R.3 - Prob. 85ECh. R.3 - Prob. 86ECh. R.4 - Prob. 1ECh. R.4 - Prob. 2ECh. R.4 - Prob. 3ECh. R.4 - Prob. 4ECh. R.4 - Prob. 5ECh. R.4 - Prob. 6ECh. R.4 - Prob. 7ECh. R.4 - Prob. 8ECh. R.4 - Prob. 9ECh. R.4 - Prob. 10ECh. R.4 - Prob. 11ECh. R.4 - Prob. 12ECh. R.4 - Prob. 13ECh. R.4 - Prob. 14ECh. R.4 - Prob. 15ECh. R.4 - Prob. 16ECh. R.4 - Prob. 17ECh. R.4 - Prob. 18ECh. R.4 - Prob. 19ECh. R.4 - Prob. 20ECh. R.4 - Prob. 21ECh. R.4 - Prob. 22ECh. R.4 - Prob. 23ECh. R.4 - Prob. 24ECh. R.4 - Prob. 25ECh. R.4 - Prob. 26ECh. R.4 - Prob. 27ECh. R.4 - Prob. 28ECh. R.4 - Prob. 29ECh. R.4 - Prob. 30ECh. R.4 - Prob. 31ECh. R.4 - Prob. 32ECh. R.4 - Prob. 33ECh. R.4 - Prob. 34ECh. R.4 - Prob. 35ECh. R.4 - Prob. 36ECh. R.4 - Prob. 37ECh. R.4 - Prob. 38ECh. R.4 - Prob. 39ECh. R.4 - Prob. 40ECh. R.4 - Prob. 41ECh. R.4 - Prob. 42ECh. R.4 - Prob. 43ECh. R.4 - Prob. 44ECh. R.4 - Prob. 45ECh. R.4 - Prob. 46ECh. R.4 - Prob. 47ECh. R.4 - Prob. 48ECh. R.4 - Prob. 49ECh. R.4 - Prob. 50ECh. R.4 - Prob. 51ECh. R.4 - Prob. 52ECh. R.4 - Prob. 53ECh. R.4 - Prob. 54ECh. R.4 - Prob. 55ECh. R.4 - Prob. 56ECh. R.4 - Prob. 57ECh. R.4 - Prob. 58ECh. R.4 - Prob. 59ECh. R.4 - Prob. 60ECh. R.4 - Prob. 61ECh. R.4 - Prob. 62ECh. R.4 - Prob. 63ECh. R.4 - Prob. 64ECh. R.4 - Prob. 65ECh. R.4 - Prob. 66ECh. R.4 - Prob. 67ECh. R.4 - Prob. 68ECh. R.4 - Prob. 69ECh. R.4 - Prob. 70ECh. R.5 - Prob. 1ECh. R.5 - Prob. 2ECh. R.5 - Prob. 3ECh. R.5 - Prob. 4ECh. R.5 - Prob. 5ECh. R.5 - Prob. 6ECh. R.5 - Prob. 7ECh. R.5 - Prob. 8ECh. R.5 - Prob. 9ECh. R.5 - Prob. 10ECh. R.5 - Prob. 11ECh. R.5 - Prob. 12ECh. R.5 - Prob. 13ECh. R.5 - Prob. 14ECh. R.5 - Prob. 15ECh. R.5 - Prob. 16ECh. R.5 - Prob. 17ECh. R.5 - Prob. 18ECh. R.5 - Prob. 19ECh. R.5 - Prob. 20ECh. R.5 - Prob. 21ECh. R.5 - Prob. 22ECh. R.5 - Prob. 23ECh. R.5 - Prob. 24ECh. R.5 - Prob. 25ECh. R.5 - Prob. 26ECh. R.5 - Prob. 27ECh. R.5 - Prob. 28ECh. R.5 - Prob. 29ECh. R.5 - Prob. 30ECh. R.5 - Prob. 31ECh. R.5 - Prob. 32ECh. R.5 - Prob. 33ECh. R.5 - Prob. 34ECh. R.5 - Prob. 35ECh. R.5 - Prob. 36ECh. R.5 - Prob. 37ECh. R.5 - Prob. 38ECh. R.5 - Prob. 39ECh. R.5 - Prob. 40ECh. R.5 - Prob. 41ECh. R.5 - Prob. 42ECh. R.5 - Prob. 43ECh. R.5 - Prob. 44ECh. R.5 - Prob. 45ECh. R.5 - Prob. 46ECh. R.5 - Prob. 47ECh. R.5 - Prob. 48ECh. R.5 - Prob. 49ECh. R.5 - Prob. 50ECh. R.5 - Prob. 51ECh. R.5 - Prob. 52ECh. R.5 - Prob. 53ECh. R.5 - Prob. 54ECh. R.5 - Prob. 55ECh. R.5 - Prob. 56ECh. R.5 - Prob. 57ECh. R.5 - Prob. 58ECh. R.5 - Prob. 59ECh. R.5 - Prob. 60ECh. R.5 - Prob. 61ECh. R.5 - Prob. 62ECh. R.5 - Prob. 63ECh. R.5 - Prob. 64ECh. R.5 - Prob. 65ECh. R.5 - Prob. 66ECh. R.5 - Prob. 67ECh. R.5 - Prob. 68ECh. R.6 - Prob. 1ECh. R.6 - Prob. 2ECh. R.6 - Prob. 3ECh. R.6 - Prob. 4ECh. R.6 - Prob. 5ECh. R.6 - Prob. 6ECh. R.6 - Prob. 7ECh. R.6 - Prob. 8ECh. R.6 - Prob. 9ECh. R.6 - Prob. 10ECh. R.6 - Prob. 11ECh. R.6 - Prob. 12ECh. R.6 - Prob. 13ECh. R.6 - Prob. 14ECh. R.6 - Prob. 15ECh. R.6 - Prob. 16ECh. R.6 - Prob. 17ECh. R.6 - Prob. 18ECh. R.6 - Prob. 19ECh. R.6 - Prob. 20ECh. R.6 - Prob. 21ECh. R.6 - Prob. 22ECh. R.6 - Prob. 23ECh. R.6 - Prob. 24ECh. R.6 - Prob. 25ECh. R.6 - Prob. 26ECh. R.6 - Prob. 27ECh. R.6 - Prob. 28ECh. R.6 - Prob. 29ECh. R.6 - Prob. 30ECh. R.6 - Prob. 31ECh. R.6 - Prob. 32ECh. R.6 - Prob. 33ECh. R.6 - Prob. 34ECh. R.6 - Prob. 35ECh. R.6 - Prob. 36ECh. R.6 - Prob. 37ECh. R.6 - Prob. 38ECh. R.6 - Prob. 39ECh. R.6 - Prob. 40ECh. R.6 - Prob. 41ECh. R.6 - Prob. 42ECh. R.6 - Prob. 43ECh. R.6 - Prob. 44ECh. R.6 - Prob. 45ECh. R.6 - Prob. 46ECh. R.6 - Prob. 47ECh. R.6 - Prob. 48ECh. R.6 - Prob. 49ECh. R.6 - Prob. 50ECh. R.6 - Prob. 51ECh. R.6 - Prob. 52ECh. R.6 - Prob. 53ECh. R.6 - Prob. 54ECh. R.6 - Prob. 55ECh. R.6 - Prob. 56ECh. R.6 - Prob. 57ECh. R.6 - Prob. 58ECh. R.6 - Prob. 59ECh. R.6 - Prob. 60ECh. R.6 - Prob. 61ECh. R.6 - Prob. 62ECh. R.6 - Prob. 63ECh. R.6 - Prob. 64ECh. R.6 - Prob. 65ECh. R.6 - Prob. 66ECh. R.6 - Prob. 67ECh. R.6 - Prob. 68ECh. R.6 - Prob. 69ECh. R.6 - Prob. 70ECh. R.6 - Prob. 71ECh. R.6 - Prob. 72ECh. R.6 - Prob. 73ECh. R.6 - Prob. 74ECh. R.6 - Prob. 75ECh. R.6 - Prob. 76ECh. R.6 - Prob. 77ECh. R.6 - Prob. 78ECh. R.6 - Prob. 79ECh. R.6 - Prob. 80ECh. R.6 - Prob. 81ECh. R.6 - Prob. 82ECh. R.6 - Prob. 83ECh. R.6 - Rationalize the denominator of each radical...Ch. R.6 - Prob. 85ECh. R.6 - Prob. 86ECh. R.6 - Prob. 87ECh. R.6 - Prob. 88ECh. R.6 - Prob. 89ECh. R.6 - Prob. 90ECh. R - Prob. 1TCh. R - Prob. 2TCh. R - Prob. 3TCh. R - Prob. 4TCh. R - Prob. 5TCh. R - Prob. 6TCh. R - Prob. 7TCh. R - Prob. 8TCh. R - Prob. 9TCh. R - Prob. 10TCh. R - Prob. 11TCh. R - Prob. 12TCh. R - Prob. 13TCh. R - Prob. 14TCh. R - Prob. 15TCh. R - Prob. 16TCh. R - Prob. 17TCh. R - Prob. 18TCh. R - Prob. 19TCh. R - Prob. 20TCh. R - Prob. 21TCh. R - Prob. 22TCh. R - Prob. 23TCh. R - Prob. 24TCh. R - Prob. 25TCh. R - Prob. 26TCh. R - Prob. 27TCh. R - Prob. 28TCh. R - Prob. 29TCh. R - Prob. 30TCh. R - Prob. 31TCh. R - Prob. 32TCh. R - Prob. 33TCh. R - Prob. 34TCh. R - Prob. 35TCh. R - Prob. 36TCh. R - Prob. 37TCh. R - Prob. 38TCh. R - Prob. 39TCh. R - Prob. 40TCh. R - Prob. 41TCh. R - Prob. 42TCh. R - Prob. 43TCh. R - Prob. 44TCh. R - Prob. 45TCh. R - Prob. 46T
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