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kumpel [21]
3 years ago
6

Determine whether y varies directly with x. If so find the constant of variation k and write the equation.

Mathematics
2 answers:
KonstantinChe [14]3 years ago
8 0
There seems to be a direct relationship, as an increase an x results in an increase in y, but we can check if:
y = kx

11 = 7k, k = 1.57
13 = 8k; k = 1.62
15 = 9k; k = 1.67
17 = 10k; k = 1.70

As we can see, the variation is not constant so this is not a simple direct relation.
ludmilkaskok [199]3 years ago
6 0

Answer:

11 = 7k, k = 1.57

13 = 8k; k = 1.62

15 = 9k; k = 1.67

17 = 10k; k = 1.70

Step-by-step explanation:

There seems to be a direct relationship, as an increase an x results in an increase in y, but we can check if:

y = kx

11 = 7k, k = 1.57

13 = 8k; k = 1.62

15 = 9k; k = 1.67

17 = 10k; k = 1.70

Y does not have an direct variation with x.

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