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Algebra 1 Vocabulary

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# Algebra 1 Vocabulary

### Mid-Term Exam Study Guide

Word | Definition |
---|---|

Real number | rational and irrational number |

Irrational numbers | non repeating decimals |

Rational numbers | a/b but b cannot be 0 |

Integers | -3, -2, -1, 0, 1, 2, 3 |

Whole number | 0, 1, 2, 3 |

Function | Relationship between input and output |

Communicative Property | 3 + 2 = 2 + 3 or 2x3 + 3x2 |

Associative Property | 2 + (4 + 6) = (2 + 4) + 6 |

Simplified | Combine like terms |

Distributive Property | 4(a+ 6) = 4a + 24 |

Variable | Unknown |

Expression | Does not have an equal sign |

evaluate | Solve |

Twice | Two time |

Equation | Has an equal sign |

squared | To the second power |

cubed | To the third power |

Difference | Subtraction |

Sum | Addition |

Product | Multiply |

quotient | Division |

Relation | Set of ordered pairs |

Linear equation | Forms a straight line |

Slope intercept form | Y=mx + b |

Standard formula of a line | Ax + b = c |

Ordered pair | (x,y) |

X axis | Horizontal axis |

Y axis | Vertical axis |

Domain | X axis |

Range | Y axis |

Slope | Determine steepness (Rise over run) “m” |

And | Intersection |

Or | Union |

Simplified | Combine like terms |

proportion | Ratios that are equal |

Constant | Always the same |

exponent | Power |

denominator | Number on bottom (number doing the dividing) |

factors | Two numbers being multiplied |

of | Multiply |

evaluate | Find its value, solve or work out |

Cross cancel | Multiplication only – turn over fraction |

solution | One or more answers that give a true statement. |

Replacement set | Set if numbers chosen from the replacement set that make the equation true. |

Solution set | The set of numbers chosen from the replacement set that make the equation true |

Additive identity | Identical addition turned around ( 2 + 0 = 2) |

Multiplication identity | Multiply a variable or number by 1 (A x 1 = a) |

Mult Property of Zero | Anything times zero = zero |

Mult inverse | Reciprocal ( 7 x 0 = 0 x 7) |

Created by:
kltnunley