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# What is the formula for the gradient of a straight line?

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The gradient of a line (m) is calculated by finding the quotient of vertical displacement (y2 minus y1) over horizontal displacement (x2 minus x1). This means that the slope is equal to the vertical change divided by the horizontal change.

## Keep Learning

Slope is a measurement of the rate of incline or decline of a line or surface. A 10 percent slope corresponds to an incline of 10 vertical units for every 100 horizontal units traveled, while a negative 10 percent slope corresponds to a decline of 10 vertical units for every 100 horizontal units. In physics, an increase in slope equates to a decrease in the supporting force of an object, meaning gravity performs more work on it.

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## Related Questions

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The formula to change 121 pounds into kilograms is the quotient of the number of pounds divided by 2.2, as in the formula 121 pounds divided by 2.2 equals 54.88 kilograms. The formula is based on the equivalency of 2.2 pounds to 1 kilogram.

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An intelligence quotient score of 120 means that the person falls into the superior range between 120 to 129 and is more intelligent than approximately 91 percent of the tested population, according to Edublox. When IQ scores are applied to career choices, people in the superior range can occupy jobs such as nurses, pharmacists, accountants, school teachers, stenographers and managers.