Mathematics: Help me guys 64−(3y+8y+y)÷40=37

Help me guys 64−(3y+8y+y)÷40=37 - id643840376174029, erikamaldonado661

Ответ:

Xlhoncho45

11.10.2020

Mathematics

Given:

The table of values.

To find:

The rate of change.

Solution:

From the given table it is clear that the rate of change is constant and function passes through two points (-1,5) and (2,-4). So, the rate of change is

$m=\dfrac{y_2-y_1}{x_2-x_1}$

$m=\dfrac{-4-5}{2-(-1)}$

$m=\dfrac{-9}{2+1}$

$m=\dfrac{-9}{3}$

m=-3

So, the rate of change is -3.

Therefore, the correct option is C.

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Help me guys 64−(3y+8y+y)÷40=37

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