Index
• A •
absolute value equations. See radical and absolute value equations
absolute value inequalities, 90–91
absolute value operation, 8
adding and addition
decimals, 19
distributing multiplication over subtraction and, 15
fractions, 18
like terms, 36
signed numbers, 9
terms in arithmetic sequences, 97
age story problems, 106
Algebra I Essentials For Dummies (Sterling), 3
Algebra I For Dummies (Sterling), 3
Algebra II For Dummies (Sterling), 4
answers to practice problems. See specific topics
applying
Descartes's Rule of Sign, 80
properties to expressions, 16
quadratic formula to quadratic equations, 75–76
Rational Root Theorem to list roots, 80
square root rule to quadratic equations, 74
traditional grouping symbols, 14
arithmetic sequences, adding terms in, 97
arranging terms with associative property, 15
associative property, 15
average of n numbers formula, 96
• B •
binomials. See also factoring binomials
distributing over trinomials, 43
dividing with long division, 49
dividing with synthetic division, 50
factoring trinomials into products of, 62–63
finding special products of, 45
multiplying using distributing, 42
multiplying using FOIL, 43
raising to third power, 44
squaring, 44
boxes, volume of, 102
Business Math For Dummies (Sterling), 4
• C •
calculating. See also solving
distance between points, 119–120
slopes of lines from two points, 114–115
changing
base to perform operations, 26
decimals to fractions, 21
degrees to ...