# Alg2 Final Exam key vocab

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## Semester 2 Algebra 2 Final exam vocabulary

These are the terms you should be familiar with to take the final exam.## Countries

Question | Answer |
---|---|

Cubic function | f(x)=x^3 Domain and Range are all real numbers |

Degree of polynomial | Greatest exponent in the polynomial |

Vertex of a parabola | The min or max of a parabola |

Parabola | the u-shaped graph of a quadratic function |

Square root function | y=sqrt(x) domain {x>=0} range {y>=0} |

Radical | an expression with a square root, cube root etc. |

Squared | an expression with an exponent of 2 |

Absolute value function | f(x)=abs(x) v-shaped graph domain x is all real numbers range {y>=0} |

Asymptote | a dashed line that a graph can approach but not touch |

Exponent | The smaller number above a base which indicates how many times that base is multiplied by itself |

Natural log | logarithm with base e (e is the natural number e~2.1878...) |

domain of a function | the set of all permissible inputs (x-values) |

range of a function | the set of all permissible outputs (y-values) |

Simplify | combine like terms, reduce fractions, pull out all perfect squares from a square root |

Isolate | get on one side of the = sign all alone |

Describe all 4 transformations | 1) flip 2) stretch 3) right/left 4) up/down |

Solve | get variable equal to a numeric value |

Least common denominator (LCD) | the smallest common multiple of the denominators |

Quadratic function | y=x^2 domain all real numbers, range {y> min or y< max} |

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