click below

click below

Normal Size Small Size show me how

# Chapter 1 Vocab

### Math

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 a number for each variable in an algebraic expression. Then use the order of operations to find the value of the numerical 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 cannot be written as the ratio of two integers |

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 |

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

Order of Operations | The order in which to perform 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 |

Integer | A number on which a function operates |

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

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