CH 8 Vocabulary
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Domain | The set of first coordinates of the ordered pairs of a relation.
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| relation | A set of ordered pairs.
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| range | The second coordinates of the relation.
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| function | A relationship in which each of the domain is paired with exactly one member of the range. A number of the domain is an input and the related number of the range is an output.
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| function notation | A way of writing a function in which you us f(x) instead of y.
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| function rule | An equation that describes a function.
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| linear equation | Any equation whose graph is a line.
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| linear inequality | A number sentence in which the equal sign of a linear equation is replaced with >,<, or ≤.
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| negative correlation | As one set of values increases, the other set tends to decrease.
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| positive correlation | As one set of values increases, the other set tends to increase.
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| no correlation | The values show no relationship.
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| scatter plot | A graph that shows the relationship between two sets of data.
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| slope | The ratio that describes the tilt of a line. Slope = vertical change over horizontal change = rise over run.
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| slope-intercept form | y = mx + b, where m is the slope and b is the y-intercept of the line.
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| solution | An ordered pair that makes such an equation a true statement.
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| system of linear inequalities | Two or more linear inequalities.
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| system of linear equations | Two or more linear equations.
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| trend line | A line that closely fits the data points in a scatter plot.
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| verticle-line test | A test that allows you to describe graphically whether a relation is a function.
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| y-intercept | The point where the line crosses the y-axis.
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
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To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
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