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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asked Sep 28, 2015 221k views

1 Answer

Fockus · Answer 1 · 2015-10-04T10:57:20+0000

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.

rate of change = (y_(2) - y_(1))/(x_(2) - x_(1))

rate of change = (y_(2) - y_(1))/(x_(2) - x_(1))

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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