## Commercial Algebra |

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### Contents

Fundamental Operations | 1 |

Fractions | 15 |

Equations | 29 |

Functions and Graphs | 44 |

Exponents and Radicals | 51 |

Logarithms | 60 |

Quadratic Equations | 74 |

Graph of a Quadratic Function 85 51 Graphical Solution | 86 |

Variation Percentage | 101 |

Simple Interest and Discount | 118 |

Compound Interest and Discount | 144 |

Statistics | 163 |

Probability | 185 |

Tables | 224 |

IV Present Value of 1 at Compound Interest 236 V Com | 248 |

Index | 261 |