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# Math_UnitD

### Marrington_Grade7_Math_UnitD

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

A mathematical sentence tht contains an equals sign | Equation |

A way to express a value with at least one number and one operator. An algebraic expression contains at least one variable. | Expression |

Sentence that compares quantities that are not equal. | Inequality |

Operations that "undo" each other. Addition and subtraction are inverse operations. | Inverse Operations |

The product of a number and its multiplicative inverse is 1. The multiplicative inverse of 2/3 is 3/2. | Multiplicative Inverse |

The opposite of an integer. The sum of an integer and its additive inverse is zero. | Additive Inverse |

An equation having two different operations | Two-step Equation |

An inequality having two different operations | Two-step Inequality |

A value for the variable that makes an equation true. The solution of 12 = x + 7 is 5. | Solution |

The numerical factor of a term that contains a variable. | Coefficient |

A placeholder, usually a letter, used to represent an unspecified value in mathematical expressions or sentences. In 3 + a = 6, a is a variable. | Variable |

Created by:
y2kcannon