Review of Introductory Mathematics TERMINOLOGYDividedbyA mathematical process that subjects a number to the operation of finding out how manytimes it contains another number. It is given the symbol ÷ or /.GreaterthanorequaltoIt is given the symbol >, and denotes one quantity is equal to or larger than another.LessthanorequaltoIt is given the symbol <, and denotes one quantity is equal to or smaller than another.InfinityA mathematical expression meaning very large in magnitude or distance. It is so largethat it cannot be measured. It is given the symbol .IsProportionaltoThe statement that a is proportionl to b (a a b) means that a = (some constant) x b. Forexample, the dollars you earn in a week (straight rate) are proportional to the hours youwork, with the constant being the dollars per hour you earn.ApproximatelyEqualtoAn expression indicating a value which is not exact, but rather close to the value. It isgiven the symbol .PerpendiculartoThis expression means that two objects are at right angles (form a 90-degree angle) toeach other. It is given the symbol .^ParalleltoTwo lines extending in the same direction which are everywhere equidistant and notmeeting. It is given the symbol .SummaryThe important information from this chapter is summarized below.Terminology SummaryThis chapter reviewed the terminology needed in the applicationand study of mathematics.Rev. 0 Page 3 MA-01

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