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# Math Vocab 1

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

Variable | A symbol, usually a letter that represents one or more numbers. |

Coefficient | the number that is multiplied by the variable in an algebraic expression |

Expression | A mathematical phrase containing numbers, operations, and/or variables. |

Constant Term | A term that has a number but no variable. |

Evaluate | an algebraic expression |

Substitute | to replace a variable with a number or another expression in an algebraic expression |

Equation | A mathematical sentence that uses an equal sign, =, to show that two expressions are equal. |

Solve | to find an answer or a solution |

Solution of an equation | A value that makes an equation true. |

Inverse Operation | Operations that “undo” each other, such as addition and subtraction or multiplication and division. |

Isolate the Variable | to get a variable alone on one side of an equation or inequality in order to solve the equation or inequality |

Term | the parts of an expression that are added together |

Like Term | Terms that have identical variable parts. |

Equivalent Expression | Expressions with the same value. |

Simplify | to write a fraction or expression in simplest form |

Distributive Property | To multiply a sum or difference by a number, multiply each in the sum or difference by the number outside the parentheses. Then evaluate. |

Order of Operations | The order in which to preform operations when evaluating expressions with more than one operation. |

Ordered pair | A pair of numbers (x, y) used to locate a point in a coordinate plane. The first number is the x-coordinate, and the second number is the y-coordinate. |

Integers | The set of whole numbers and their opposites. |

Opposite | two numbers that are an equal distance from zero on a number line. |

Absolute Value | The distance between a number and 0 on a number line. The absolute value of a number a is written as |a|. |

Created by:
tjvanseters13