Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

Normal Size Small Size show me how

Normal Size Small Size show me how

# Algebra 1 Vocabulary

### All terms and know-how for Algebra 1!

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

Coefficient | The number a variable is being multiplied by. |

Arithmetic | A sequence that has a common difference and is linear. |

Geometric | A sequence that has a common ratio and is exponential. |

Slope | The rate of change for a linear function. Rise/run. |

Slope Formula | y2 - y1/x2 - x1 |

Slope-Intercept Form | y = mx + b |

Y-Intercept | Where the line intersects the y-axis. |

X-Intercept | Where the line intersects the x-axis. |

Translation | A change in the y-intercept from one function to another. (slide) |

Rotation | A change in the slope from one function to another. (turn) |

Greater Than | > |

Less Than | < |

Less Than or Equal to | Closed circle, shading to the left. |

Greater Than or Equal to | Closed circle, shading to the right. |

Absolute Value | The distance from zero on a number line. |

Natural Numbers | The counting numbers. 1,2,3... |

Whole Numbers | The counting numbers, and 0. 0,1,2,3... |

Integers | Whole numbers and their opposites. ...-3,-2,-1,0,1,2,3... |

Rational Numbers | Any number that can be written as a fraction, where the denominator does not equal 0. 3/4, 0.45, 0.33333... |

Irrational Numbers | Any number that cannot be written as a fraction. The decimal does not repeat or terminate. pi, 0.734564827... , the square root of an imperfect square. |

Standard Form | Ax + By = C |

Function | A special relation where each input value has exactly one output value. |

Relation | A set of ordered pairs. |

Independent Variable | The x-values of a function. They do not rely on the y-values. |

Dependent Variable | The y-values of a function. They rely on the x-values. |

Input | The x-values of a function that determine the y-values. |

Output | The y-values of a function that are determined by the x-values. |

Order of Operations | The way of simplifying expressions correctly. PEMDAS |

Multiplication Properties of Exponents | Keep the base and add the exponents. |

Division Properties of Exponents | Keep the base and subtract the exponents. |

Power Properties of Exponents | Keep the base and multiply the exponents. |

Like Terms | Terms with the same variable and exponent. |

Parallel Lines | Lines with the same slope. |

Perpendicular Lines | Lines with the opposite/reciprocal slope. |

Polynomial | A group of terms |

Constant | A number that does not change. 2y + 6 ... 6 is this. |

Proportional Relationship | A special relationship where a linear function crosses at the origin. |

Quadrant I | Both x and y are positive values in this quadrant. |

Quadrant II | x is negative and y is positive in this quadrant. |

Quadrant III | Both x and y are negative in this quadrant. |

Quadrant IV | x is positive and y is negative in this quadrant. |

Origin | The point (0,0) is referred to as this. |

Pythagorean Theorem | The distance between two points can be found using this. a squared + b squared = c squared |

Sum | The answser to an addition problem. |

Difference | The answer to a subtraction problem. |

Product | The answer to a multiplication problem. |

Quotient | The answer to a division problem. |

x-axis | The horizontal axis. |

y-axis | The vertical axis. |

Prime Number | A number greater than 1 with only two factors, itself and 1. |

Composite Number | greater |

Triangle | A polygon with 3 sides. |

Quadrilateral | A polygon with 4 sides. |

Pentagon | A polygon with 5 sides. |

Hexagon | A polygon with 6 sides. |

Heptagon | A polygon with 7 sides. |

Octagon | A polygon with 8 sides. |

Nonagon | A polygon with 9 sides. |

Decagon | A polygon with 10 sides. |

Diameter | The distance from one outer part of a circle to another, while passing through the center. |

Radius | The distance from the outside to the middle of a circle. |

Circumference | The distance around a circle. |

Area | How many square units are inside of a polygon. |

Perimeter | The distance around a polygon. |

Nearest Tenth | When 0.878 is rounded to 0.9; it is rounded to this place value. |

Nearest Hundredth | When 0.7684 is rounded to 0.77; it is rounded to this place value. |

Nearest Thousandth | When 0.7684 is rounded to 0.768; it is rounded to this place value. |

Nearest Whole | When 4.67 is rounded to 5; it is rounded to this place value. |

Nearest Ten | When 18 is rounded to 20; it is rounded to this place value. |

Nearest Hundred | When 564 is rounded to 600; it is rounded to this place value. |

Created by:
ccjohnson34