Algebra Demystified 2nd Ed

475

A
Addition
decimals, 67–69
fractions. See Fractions—addition
mixed numbers, 30–31
negative numbers, 78–79
rewrite subtraction problem as addition problem,
82–84
Age problems, 249, 250
Algebraic inequalities. See Linear inequalities
Answers to quiz questions, 457–458
Applied problems/applications, 223
linear applications. See Linear applications
linear equalities, 320–329, 339–342
quadratic applications. See Quadratic applications
translate words into mathematical symbols,
34–37
variables, 56–60
Area
circle, 418
rectangle, 417
sphere (ball), 417
triangle, 417
Associative property, 144

B

Ball, 417
Base, 96
Bounded intervals, 329–342
Business formulas, 321

Business problems

investment problems, 259–262

linear inequalities, 320–329

revenue problems, 391–400

C

Celsius vs. Fahrenheit. See Fahrenheit

vs. Celsius

Chapter quiz answers, 457–458

Circle, 418

Clearing the decimal, 70, 71, 200

Clearing the fraction, 194

Coefficient, 137

Coin problems, 256–259

Combining like terms, 137–139

Completely factored, 141

Completing the square, 363

Compound fraction, 24–26

Consecutive integers, 241

Constant, 137

Cost

overhead, 321

production, 321

total, 321

Cross-multiplication, 210, 211

Cylinder, 417

D

Decimals, 65–76

addition, 67–69

clearing the decimal, 70, 71

Index