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McGraw Hill Glencoe Algebra 2, 2012 View details

3. Rate of Change and Slope

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Exercise 23 Page 80

The slope of a line is the same as its rate of change.

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Practice makes perfect

Equations in slope-intercept form follow a specific format, where m represents the slope of the line and b is the y-intercept. y=mx+bLet's rewrite our equation a little bit so that it more closely resembles this format. This will make it easier to identify the features of the equation.

6y=8x-40

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.LHS /6.=.RHS /6.

DivEqn

.LHS /6.=.RHS /6.

y=8x-40/6

WriteDiffFrac

Write as a difference of fractions

y=8x/6-40/6

ReduceFrac

a/b=.a /2./.b /2.

y=4x/3-20/3