Contents
- 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
- complex fraction
- A complex fraction is a fraction in which the numerator or the denominator contains a fraction.
- equivalent fractions
- Equivalent fractions are two or more fractions that have the same value.
- fraction
- A fraction is written . in a fraction, is the numerator and is the denominator. A fraction represents parts of a whole. The denominator is the number of equal parts the whole has been divided into, and the numerator indicates how many parts are included.
- least common denominator (LCD)
- The least common denominator (LCD) of two fractions is the least common multiple (LCM) of their denominators.
- mixed number
- A mixed number consists of a whole number and a fraction where . It is written as , where .
- proper and improper fractions
- The fraction is proper if and improper if .
- reciprocal
- The reciprocal of the fraction is where and .
- simplified fraction
- A fraction is considered simplified if there are no common factors in the numerator and denominator.