Chapter 7Equations and InequalitiesLesson7.5An inequalityis a mathematical sentence that compares expressions. It contains the symbols <, >, ≤, or ≥. To write an inequality, look for the following phrases to determine where to place the inequality symbol.Key Vocabularyinequality, p. 326solution of an inequality, p. 327solution set, p. 327graph of an inequality, p. 328EXAMPLEWriting Inequalities1Write the word sentence as an inequality.
8.c. Four times a number qis at most 16.Four times a number qis at most 16.4q≤16 An inequality is 4q≤ 16.Write the word sentence as an inequality.
Lesson TutorialsInequality SymbolsSymbol<>≤≥Key Phrases● is less than● is fewer than● is greater than● is more than● is less than or equal to● is at most● is no more than● is greater than or equal to● is at least● is no less than