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Pearson Algebra 1 Common Core, 2011 View details

3. More Multiplication Properties of Exponents

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Exercise 84 Page 438

Substitute the given points into the Slope Formula.

-9

Practice makes perfect

We can calculate the slope by substituting the given points into the Slope Formula. m = y_2-y_1/x_2-x_1 Note that it does not matter which point we choose to use for ( x_1, y_1) and ( x_2, y_2), since the result of using the Slope Formula will be the same.

m=y_2-y_1/x_2-x_1

SubstitutePoints

Substitute ( 0,0) & ( 1,-9)

m=-9- 0/1- 0

AddSubTerms

Add and subtract terms

m=-9/1

DivByOne

a/1=a

m=-9

The slope of the line that passes through the given points is - 9.