## Elementary college mathematics |

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### Contents

The number system 3 The formal laws of algebra 6 Rules for algebraic | 14 |

of fractions 16 Complex fractions 17 Exercises 19 Powers 20 Roots | 20 |

of radicals 23 Operations with radicals 25 Rationalization of denomina | 29 |

Copyright | |

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### Common terms and phrases

algebraic approximately asymptotes average rate average speed called coefficients cofactors column constant corresponding acute angle cos2 cosine Cramer's rule curve denominator derivative determinant distance Draw the graph equation whose roots Example Express factor factor x find the area find the average Find the equation Find the value formula fraction ft./sec Hence horizontal independent variable instantaneous rate integral intercept interval law of sines law of tangents linear log 008 log log oot log log sin log logarithms mantissa maxima and minima maximum method multiply negative obtained ORAL EXERCISES perpendicular Plot the graph positive quadrant quadratic equation quadratic function radians radicand radius rate of change rational number represent right triangle secant sin2 sine Solution Solve square straight line substitution subtracted synthetic synthetic division tan2 tangent theorem trigonometric functions vertex vertical x-axis x-intercept zero