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# Big Vocab 17-18

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

Absolute Value | a numbers distance from zero |

Bivariate Data | in statistics, data that has two variables |

Equivalent Expressions | two or more expressions that have the same values for all values of the variables |

Irrational Number | A number that cannot be expressed as a ratio of two integers or as a repeating or terminating decimal |

Line of Best Fit | a straight line that comes closest to the points on a scatter plot |

Perfect Square | A number that has integers as its square roots |

Real Number | a rational or irrational number |

Scatter Plot | A graph with points plotted to show a possible relationship between two sets of data |

Scientific Notation | A method of writing very large or very small numbers by using powers of 10 |

Square Root | a number that is multiplied by itself to form a product |

Diameter | a line segment that passes through the center of a circle and has endpoints on the circle, or the length of that segment |

Hypotenuse | In a right triangle, the side opposite the right angle |

Parallel Lines | lines in a plane that do not intersect |

Pythagorean Theorem | In a right triangle, the square of the length of the hypotenuse is equal to the sum of the squares of the lengths of the legs |

Scale Factor | A ratio used to enlarge or reduce similar figures |

Similar | figures with the same shape but not necessarily the same size |

Transformation | a change in the size or position of a figure |

Triangle Sum Theorem | The theorem that states that the measures of the angles in a triangle add up to 180 degrees |

Volume | the number of cubic units needed to fill a given space. |

Domain of a function | the set of all possible input values of a function |

Function | an input-output relationship that has exactly one output for each input |

Like Term | two or more terms that have the same variable raised to the same power |

Linear Equation | a equation whose solutions for a straight line on a coordinate plane |

Linear Function | A function whose graph is a straight line |

Range of a function | the set of all possible output values of a function |

Rate of change | a ratio that compares the amount of change in a dependent variable to the amount of change in an independent variable |

Simplify | to perform all possible operation, including combining like terms; to write a fraction or expression in simplest form |

Slope | a measure of the steepness of a line on a graph. the rise divided by the run |

Term | the parts of an expression that are added or subtracted |

Transversal | a line that intersects two or more lines |

Created by:
kristin.schmiedt