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07.07.2019 •
Mathematics
What is the direct variation equation for the table of ordered pairs? x y 20 24 30 36 40 48
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Ответ:
The equation for the direct variation is y = 1.2x
In order to find this, we start with the base for any direct variation equation.
y = kx.
Now we use the ordered pairs to find the value of k to model the equation.
y = kx
24 = k(20)
1.2 = k
Now that we know this, we can model the equation as y = 1.2x and test for the other values --- each of which work in the newly written equation.
Ответ: