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Is #y=3/4x-7# a direct variation equation and if so, what is the constant of variation?

Answer 1

Isaiah Anthony

#"no"#

#"direct variation equations are in the form"#

#y=kxlarr" k is the constant of variation"#

#y=3/4x-7" is not in this form"#

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Answer 2

Eva Adamson

Yes, the equation y = (3/4)x - 7 represents a direct variation. The constant of variation, k, can be determined by comparing the equation to the general form of a direct variation equation, y = kx. In this equation, k is the constant of variation. Comparing the given equation to the general form, we see that the coefficient of x is 3/4. Therefore, the constant of variation, k, is 3/4.

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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.