Chapter 2 vocab math
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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| Ordered Pairs | A pair of numbers (x,y) used to locate a point In a coordinate plane. The first number is the x-coordinate.
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| Coordinate plane | A coordinate plane is formed by the intersection of
a horizontal number line, usually called the x-axis, and a vertical number line, usually called the y-axis.
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| x-axis | The horizontal number line in a coordinate plane.
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| y-axis | The vertical number line in a coordinate plane.
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| x-coordinate | The first coordinate in an ordered pair, which
indicates how many units to move to the left or
right.
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| y-coordinate | The second coordinate in an ordered pair, which
indicates how many units to move up or down.
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| Linear equation | An equation whose graph is a line.
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| Solution of a linear equation | A value that makes an equation true.
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| Slope | A ratio of the change in y (the rise) to the change
in x (the run) between any two points on a line.
It is a measure of the steepness of a line.
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| Rise | The change in y between two points on a line.
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| Run | The change in x between two points on a line.
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| Slope - intercept form | A linear function written in the form y mx b = +.
The slope of the line is m and the y-intercept of
the line is b.
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| x-intercept | The y-coordinate of the point where a line crosses
the y-axis.
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| y-intercept | The x-coordinate of the point where a line crosses
the x-axis.
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| Standard form | Standard form is a way to write numbers using the digits 0-9.
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| Systems of linear equations | any equation such that the sum of two solutions is a solution, and a constant multiple of a solution is a solution.
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| Solution of a system of linear equations | the solution set is the intersection of these lines, and is hence either a line, a single point, or the empty set.
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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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