Sumário
- Preface
1Foundations
2Solving Linear Equations and Inequalities
- Introduction
- 2.1Solve Equations Using the Subtraction and Addition Properties of Equality
- 2.2Solve Equations using the Division and Multiplication Properties of Equality
- 2.3Solve Equations with Variables and Constants on Both Sides
- 2.4Use a General Strategy to Solve Linear Equations
- 2.5Solve Equations with Fractions or Decimals
- Index
Key Terms
Key Terms
- complex rational expression
- A complex rational expression is a rational expression in which the numerator or denominator contains a rational expression.
- extraneous solution to a rational equation
- An extraneous solution to a rational equation is an algebraic solution that would cause any of the expressions in the original equation to be undefined.
- proportion
- A proportion is an equation of the form , where The proportion is read “ is to , as is to ”
- rational equation
- A rational equation is two rational expressions connected by an equal sign.
- rational expression
- A rational expression is an expression of the form , where p and q are polynomials and
- similar figures
- Two figures are similar if the measures of their corresponding angles are equal and their corresponding sides are in the same ratio.