3 years ago

Which is an equation of a direct proportion? A. =1/3−2 B. =3/ C. =−3+4 D. =−3

Mathematics

2 answers:

AnnZ [28]3 years ago

8 0

Answer:

Step-by-step explanation:

katrin [286]3 years ago

4 0

Answer:

D. y=-3x

Step-by-step explanation:

Direct Proportion

A direct proportion is a relation between variables where their ratio is a constant value. This means that if y and x are proportional, then:

$\displaystyle \frac{y}{x}=k$

Where k is the constant of proportionality.

Solving for y:

y=kx

The only choice representing a direct proportion is:

D. y=-3x

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