Pre-Algebra Ch. 7
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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constant of variation | the slope, or rate of change, in the equation y=ks, represented by k
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constant rate of change | when the rate of change between any two data points in a linear relationship is the same or constant
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direct variation | a special type of linear equation that describes rate of change/ a relationship such that x increases in value, y increases or decreases at a constant rate
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line of fit | on a scatter plot, a line drawn that is very close to most of the data points/ the line that best fits the data
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linear equation | an equation in which the variables appear in separate terms and neither variable contains an exponent other than 1/ the graph of this is a straight line
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linear relationship | relationships that have straight line graphs
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rate of change | a change in one quantity with respect to another quantity
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slope | the ratio of the rise, or vertical change, to the run, or horizontal change/ describes the steepness of the line
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vertical line test | if any vertical line drawn on the graph of a relation passes through no more than one point on the graph for each value of x in the domain, then the relation is a function
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y-intercept | the y-coordinate of a point where a graph 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.
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.
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:
Miss Brinkoetter
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