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Key Terms

5.1 Algebraic Expressions

  • variable
  • constant
  • expression
  • equation
  • equal sign
  • term
  • coefficient
  • like terms
  • Distributive Property

5.3 Linear Inequalities in One Variable with Applications

  • linear inequality
  • Addition and Subtraction Property of Linear Inequalities
  • Multiplication and Division Property of Linear Inequalities

5.4 Ratios and Proportions

  • ratio
  • proportion
  • constant of proportionality
  • scale
  • construct ratios
  • solve proportions
  • use proportions to solve scaling problems

5.5 Graphing Linear Equations and Inequalities

  • ordered pair
  • origin
  • points on the axes
  • linear equation in two variables
  • standards form of a linear equation
  • solution
  • linear inequality in two variables
  • solution to a linear inequality
  • boundary line

5.6 Quadratic Equations with Two Variables with Applications

  • monomial
  • polynomial
  • binomial
  • trinomial
  • quadratic equation
  • Zero Product Property

5.7 Functions

  • relation
  • domain
  • function
  • mapping
  • vertical line test

5.8 Graphing Functions

  • intercepts of a line
  • slope
  • slope-intercept form

5.9 Systems of Linear Equations in Two Variables

  • system of linear equations
  • solutions of a system of equations
  • contradictions
  • identities
  • coincident lines
  • consistent system of linear equations
  • inconsistent system of linear equations

5.11 Linear Programming

  • linear programming
  • objective function
  • constraint
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