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Tech Math II CH. 7
Tech Math II MPHS Chapter 7
| Question | Answer |
|---|---|
| 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. |
| rise | the vertical change between two points on a line. |
| diameter | a segment that joins two points of the circumference with the center of the circle. |
| arc | Part of a circle. Any angle |
| dimensional analysis | A problem solving strategy where you cancel units of measurement as if they are numbers. |
| 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. |
| run | The horizontal change between two points on a line. |
| circumference | The perimeter of a circle. The distance around the circle. |
| arc length | The measurement of an arc. |
| sector | The region formed by a centrai angle and its arc is a sector. |
| variation | The nonzero constant k in a direct variation defined by y = kx. |
| slope | The measure of the steepness of a line given by the ratio of rise to run for any two points on the line. |
| pi | The ratio of circumference to diameter is a constant. |
| general form for direct variation | ratio of quantites = variation constant |
| tangent ratio | The ratio compares the two legs of a right triangle. leg opposite / leg adjacent. |
| conversion factor | A conversion factor is a ratio of two equal(or approximately equal) quantites that are measured in different units. |
Created by:
bunnych
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