Sumário
- Preface
2The Language of Algebra
8Solving Linear Equations
- Introduction to Solving Linear Equations
- 8.1Solve Equations Using the Subtraction and Addition Properties of Equality
- 8.2Solve Equations Using the Division and Multiplication Properties of Equality
- 8.3Solve Equations with Variables and Constants on Both Sides
- 8.4Solve Equations with Fraction or Decimal Coefficients
- ACumulative Review
- BPowers and Roots Tables
- CGeometric Formulas
- Index
Key Terms
Key Terms
- absolute value
- The absolute value of a number is its distance from 0 on the number line.
- integers
- Integers are counting numbers, their opposites, and zero ... –3, –2, –1, 0, 1, 2, 3 ...
- negative number
- A negative number is less than zero.
- opposites
- The opposite of a number is the number that is the same distance from zero on the number line, but on the opposite side of zero.