R Review of Basic Concepts Positive and negative numbers, used to represent gains and losses on a board such as this one, are examples of real numbers encountered in applications of mathematics. 1 R.1 Fractions, Decimals, and Percents R.2 Sets and Real Numbers R.3 Real Number Operations and Properties R.4 Integer and Rational Exponents R.5 Polynomials R.6 Factoring Polynomials R.7 Rational Expressions R.8 Radical Expressions
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