chapter Review of Prerequisites

1. Arab Open University
Faculty of Computer Studies
MT101 - General Mathematics

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3. SECTION R.1 Sets and the Real Number Line
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7. SECTION R.2 Models, Algebraic Expressions, and
Properties of Real Numbers
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10. SECTION R.3 Integer Exponents and Scientific Notation
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Scientific Notation Examples

13. SECTION R.4 Rational Exponents and Radicals
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16. SECTION R.5 Polynomials and Multiplication of
Radicals
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Addition and subtraction of polynomials:
To add or subtract polynomials, combine like terms.

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21. SECTION R.6 Factoring
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25. SECTION R.7 Rational Expressions and More
Operations on Radicals
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 A rational expression is a ratio of two
polynomials. Values of the variable that make the
denominator equal to zero are called restricted
values of the variable.

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Rationalizing the denominator:
Removing a radical from the denominator of a fraction is called
rationalizing the denominator.