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# Algebra I EOC Vocab

### Vocabulary for the Algebra I STAAR 3 of 3

Term | Definition |
---|---|

Binomial | the sum or difference of two monomials |

Polynomial | a monomial or a sum of monomials |

Trinomial | the sum or difference of three monomials |

Axis of Symmetry | the vertical line that cuts the parabola in half through its vertex |

Maximum | for a parabola that opens downward, the vertex is this |

Minimum | for a parabola that opens upward, the vertex is this |

Parabola | u-shaped graph of a quadratic function |

Quadratic Equation | an equation in the form y = ax2 + bx + c |

Roots | solutions and x-intercepts of a quadratic equation |

Vertex | the highest or lowest point in the parabola |

Vertical Compression | In a parabola, it makes the graph wider |

Vertical Stretch | In a parabola, it makes the graph more narrow |

X-intercept | where the line or parabola crosses the x-axis |

Zeros | the solutions to a quadratic equation when each factor is set equal to zero |

Exponential Decay | occurs when the value of a>1 and 0<b<1, and the graph is a decreasing curve |

Exponential Function | a function where the variable is the exponent; written in the form of y=abx |

Exponential Growth | occurs when the value of a>0 and b>1 and the graph is an increasing curve |

Inverse Variation | a function where one of the variables increases and the other variable decreases; written in the form y=a/x and a is not equal to zero |

Created by:
SuzyMahoney