McDougal Littell
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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| Graph of linear inequality in one variable | The set of points on a number line that represents all solutions of the inequality.
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| Equivalent Inequalities | Inequalites with the same solutions.
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| Compound Inequality | Two inequalites connected by and or or.
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| Linear inequality in x and y | An inequality that can be written as follows: ax+by>c ax+by
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| Solution of a linear inequality | An ordered pair (x,y) is a solution of a linear inequality if the inequality is true when the values of x and y are substituted into the inequality.
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| Graph of a linear inequality in two variables | The graph of all ordered pairs (x,y) that are solutions of the inequality.
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| Half-plane | In a coordinate plane, the region on either side of a boundary line.
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| Stem-and-leaf plot | An arrangment of digits that is used to display and order numerical data.
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| Measure of central tendency | A number that is used to represent a typcial number in a data set.
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| Mean, or average | The sum of n numbers divided by n.
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| Median | The middle numbers of a collection of n numbers are written in a numnerical order. If n is even, the median is take to be the average of the two middle numbers.
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| Mode | The number that occcurs most frequently in a collection of n numbers. A set of data can have more than one mode or no mode.
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| Box-and-whisker plot | A data display that divides a set of data into four parts. The box represents half of the data. The segment extends to the least and greatest data items.
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| Quartiles | Three numbers that separate a set of data into four parts.
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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:
dhmahlman
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