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# Jonathan's key of te

### Jonathan's key of terms

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

Algebra | Is a language of symbols,including variables. |

Algebraic expressions | are combinations of variables, numbers,and at least one operations. |

Area | the number of square units needed to cover a surface. |

Base | is the number used as a factor. |

Composite number | is a number greater than 1 with more than two factors. |

Cubed | the product in which a number is a factor three times. |

Defining the varible | is when you write a function rule that represent a real-word situation, you fist choose a varible to represent the input. |

Equals sign | a symbol of equality,=. |

Equation | a mathematical sentence that contains an equal sign,=. |

Evaluate | to find the value of something |

Exponent | indicates how many times the base number is used as a factor. |

Factor | the product multipling two or more numbers. |

Formula | an equation that shows a relationship among certain quantities. |

Function | the relationship that assigns exactly one output value to one input value. |

Function rule | describes the relationship between each input and output. |

Function table | a table organizing the input, rule, and output of a function |

Numerical expression | a combination of numbers and operations. |

Order of operation | tells you which operation to perform first so that everyone finds the same value for an expression. |

Power | numbers expressed using exponents |

Prime factorization | expressing a composite number as a product of prime numbers |

Prime number | a whole number that has exactly two unique factors, 1 and itself. |

Solution | the value for the variable |

Solve | to replace a variable with a value that results in a true sentence. |

Squared | a number multiplied by itself. |

Varible | a symbol, usually a letter, used to represent a number. |

Average | the sum of two or more quantities divided by the number of quantities; the mean. |

Bar graph | a graph using bars to compare quantities. The height or length of the bar represents a designated number. |

Frequency | is the number of times an item occurs. |

Graph | is a visual way to display data. |

Horizontal axis | the axis on which the categories or values are shown in a bar and line graph |

Integers | are positive whole numbers, their opposites, and zero. |

Key | explains the stem and the leaves in a stem-and-leaf plot |

Line graph | is used to show how a set of data changes over a period of time. |

Line plot | a diagram that shows the frequency of data on a number line. |

Mean | the sum of the data divided by the number of pieces of data. |

Measures of central tendency | the mean, median, and mode because they describe the center of a center of a set of data. |

Median | the middle number of the ordered data when there is a odd number of data, or the the mean of the middle two numbers when there are an even number of data. |

Mode | the number or numbers that occur most often. |

Negative numbers | numbers that are less than zero. |

Opposites | are numbers that are the same distance from zero in the opposite directions. |

Outlier | values that are much bigger or lower than others in a data set. |

Positive numbers | data that are greater than zero |

Range | the difference between the greatest and the least values of the set. |

Stem-and-leaf plot | the data is ordered from least to greatest and organized by place value. |

Vertical axis | the axis on which the scale and interval are shown on in a bar graph. |

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