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# MSA Math Vocab

### Middle school math vocabulary

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

Inverse operation | The operation that will "undo" what is being done. |

Linear | Any set of data that can be modeled with a straight line. |

Point of intersection | The point on a graph where two lines cross. This is where both lines are equal. |

Rate | A ratio that compares two different units, where one of the two units is equal to one. |

Slope | A ratio that compares the change in the vertical axis to the change in the horizontal axis. (Rise over the run) |

Steepness | How vertical a line is on a linear graph. |

Substitution | Replacing a variable with a number in an equation. |

Term | A number, a variable, a number multipled by a variable, or a number divided by a variable in an expression or equation. |

Y-intercept | The point on a graph where the line crosses the y-axis. |

Algorithm | An explicit step by step procedure for producing a solution to a given problem. |

Coefficient | A number that is multiplied by a variable in an equation. |

Constant | A number that is added or subtracted in an equation. |

Distributive property | Multiplying a number or variable with the other numbers or variables inside parentheses. |

Expression | Term or combo of terms without an =, <, > sign. |

Function | Two variable that share a relationship where every value of "x" will create a unique value of "y". |

Golden rule of equations | A rule that states that whatever you do to one side of any the equation, you must do the same thing to the other side of the equation. |

Inequality | Lack of being equal. Two quantities can be less than, greater than, less than or equal, greater than or equal. |

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gabrianam