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Verdich [7]
3 years ago
14

Mrs. Jackson gives the table below to her students.

Mathematics
2 answers:
krek1111 [17]3 years ago
5 0
M= 20 because the rate of change is -3.
Vinvika [58]3 years ago
3 0

For this case, the slope of the line is given by:

a=\frac{y2-y1}{x2-x1}

Substituting values, we have:

a=\frac{23-26}{5-4}

Rewriting:

a=\frac{-3}{1}\\a = -3

Then, since the value of the slope is constant for a line then we can rewrite the slope equation to find the value of M.

We have then:

-3 = \frac{M-23}{6-5}

From here, we clear the value of M:

-3 = \frac{M-23}{1}\\-3 = M - 23\\M = 23 - 3\\M = 20

Answer:

m = 20 because the rate of change is –3.

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