Math Tutoring on Determining Rate of Change and Slope
To determine a Rate of Change and also to determine the Slope of a line given two points we need to know the ratio.
A Ratio is a quotient of two quantities. A ratio of a to b is given by the fraction a/b where a is the numerator and b is the denominator or by the colon notation a:b.
m = (change in y) / (change in x)
= rise / run
= (y2-y1) / (x2 - x1).
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1. How can you compare slope with the rate of change?
2. Compare Ratio and Rate.
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