If you know two points on a line, how can you find the rate of change of the variables being graphed?

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02-11-2014
Mathematics

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If you know two points on a line, how can you find the rate of change of the variables being graphed?

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chipperrider chipperrider · Answer 1 · 2014-11-02T23:50:23+01:00

chipperrider chipperrider

02-11-2014

The rate of change refers to the rate at which the independent variable is changing as the dependent variable changes. You will find the independent variable on the y-axis and the dependent variable on the x-axis.
Then, pick two points.You will sub them into the equation.
[tex]rate of change = \frac{y_{2} - y_{1}}{x_{2} - x_{1}} [/tex]

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