Find the slope of the line that passes through (4,2) and (9,1)?

m= -1/5

Step-by-step explanation:

Find the Slope (4, 2) and (9, 1)

Slope is equal to the change in y over the change in x, or rise over run.

              change in y

     m =    

              change in x

The change in x is equal to the difference in x-coordinates (also called run), and the change in y is equal to the difference in y-coordinates (also called rise).        y₂ − y₁

     m =  

              x₂ − x₁

Substitute in the values of x and y into the equation to find the slope.

              1 − (2)

     m =  

              9 − (4)

Simplify the numerator.

                −1

     m =  

              9 − (4)

Simplify the denominator.

                −1

     m =  

                 5

Move the negative in front of the fraction.

                −1

     m =  

               − 5

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step-by-step explanation: