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Grade 8 Chapter 4
Functions
| Question | Answer |
|---|---|
| arithmetic sequence | a sequence whose successive terms differ by the common difference |
| common difference | the nonzero constant difference of any term and previous term |
| continuous graph | a graph made up of connected lines or curves |
| correlation | a measure of the strength and direction of the relationship between variables |
| dependent variable | output of a function |
| discrete graph | a graph made up of unconnected points |
| domain | the set of all possible input values of a relation or function |
| function | a relation in which every input is paired with exactly one output |
| function notation | “f of x” where f names the function |
| function rule | a algebraic expression that defines a function |
| independent variable | the input of a function |
| negative correlation | one set of data values increases and the other set decreases |
| no correlation | there is no relation between the set of values |
| positive correlation | both sets of data values increase |
| range | the set of all possible output values of a relation or function |
| relation | a set if ordered pairs |
| scatter plot | a graph with points plotted to show a possible relationship between 2 data sets |
| sequence | a list of numbers that often form a pattern |
| term | each number in a sequence |
| trend line | a line on a scatter plot that show the correlation between the data sets |
Created by:
bookannelid
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