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

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### Quick Answer

**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.

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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## How do you change 121 pounds into kilograms?

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Full Answer >**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.Filed Under: -
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## How is the distance between two points calculated?

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Full Answer >**The distance between two points is calculated using the distanceÂ formula d = √ (x**The distance formula is a derivative of the famous Pythagorean Theorem, given as c_{2}- x_{1})^{2}+ (y_{2}- y_{1})^{2}, where (x_{1},y_{1}) and (x_{2},y_{2}) are the coordinates of the two points and "d" indicates the distance.^{2}= a^{2}+ b^{2}, where "a" and "b" represent the legs of a right triangle andÂ "c" denotes the hypotenuse.Filed Under: -
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## What does an IQ of 120 indicate?

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Full Answer >**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.Filed Under: -
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## How is IQ calculated?

A:IQ is calcuated using test results that are compiled and then compared with the results from other people in the same age group to determine the test taker's intelligence quotient. The first step in measuring a person's IQ is to administer a specially designed test.

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