Tech Math II MPHS Chapter 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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| direct variation | A linear function defined by an equation of the form y = kx, k does not equal 0. You say that y is directly proportional to x.
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| rise | the vertical change between two points on a line.
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| diameter | a segment that joins two points of the circumference with the center of the circle.
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| arc | Part of a circle. Any angle
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| dimensional analysis | A problem solving strategy where you cancel units of measurement as if they are numbers.
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| variation constant | The linear function defined by an equation of the form y = kx, k does not equal 0. You say that y is directly proportions to x.
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| run | The horizontal change between two points on a line.
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| circumference | The perimeter of a circle. The distance around the circle.
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| arc length | The measurement of an arc.
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| sector | The region formed by a centrai angle and its arc is a sector.
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| variation | The nonzero constant k in a direct variation defined by y = kx.
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| slope | The measure of the steepness of a line given by the ratio of rise to run for any two points on the line.
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| pi | The ratio of circumference to diameter is a constant.
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| general form for direct variation | ratio of quantites = variation constant
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| tangent ratio | The ratio compares the two legs of a right triangle. leg opposite / leg adjacent.
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| conversion factor | A conversion factor is a ratio of two equal(or approximately equal) quantites that are measured in different units.
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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:
bunnych
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