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7.2 graphing rational numbers using a number line

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7.2

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7.2 graphing rational numbers using a number line

  1. 1. Real Numbers on a Number Line GUIDED EXAMPLE 1 Plot each number on a number line. REAL NUMBER NUMBER LINE a. b. c. d. e.
  2. 2. Writing Inequality Statements Using Symbols GUIDED EXAMPLE 2 Write each statement using inequality symbols. STATEMENT IN WORDS a. is less than STATEMENT IN ALGEBRA b. is less than c. is greater than d. is less than e. is greater than f. is greater than
  3. 3. Comparing Numbers Using a Number Line GUIDED EXAMPLE 3 Use a number line to compare each pair of numbers, and then replace the question mark with the appropriate symbol, or PROBLEM a. COMPLETED NUMBER LINE STATEMENT b. c. d. e. f.
  4. 4. Study Guide Every real number can be plotted on a number line, which has positive numbers to the right of 0 and negative numbers to the left of 0. Definition: INEQUALITY An inequality is a statement that shows the relationship between any two real numbers that are not equal. Inequality Symbols The symbol is used to represent the phrase “is less than.” The symbol is used to represent the phrase “is greater than.”

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