Is #3y-7=10x# a direct variation equation and if so what is the constant?

Answer 1

No

Given: #3y - 7 = 10x#
Direct Variation: #" "y = kx#
If the given equation was #3y = 10x# it would be a direct variation equation. The #-7# changes eliminates it.
For #3y = 10x; " "y = 10/3 x; " " k = 10/3#
Conclusion: #3y - 7 = 10x# is not a direct variation.
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Answer 2

Yes, the equation (3y - 7 = 10x) represents a direct variation. The constant of variation is (k = \frac{10}{3}).

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

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