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blsea [12.9K]
2 years ago
7

Pls help extra points and mark brainlist

Mathematics
2 answers:
diamong [38]2 years ago
7 0

Answer:

y=2x

Step-by-step explanation:

Hey!

This is a direct variation problem:

Direct variation describes a simple relationship between two variables . We say y varies directly with x.

y=kx, where k is the constant of variation or constant of proportionality.

==================================================================

We can <u>substitute x and y</u> in the given equation.

40=k20

<u>Divide by 20</u> on both sides.

40/20=k

k=2

<u>Substitute k</u> in the Direct variation Equation:

y = 2x

==================================================================

<em>Hope I helped, feel free to ask any questions to clarify :)</em>

<em>Have a great day!</em>

<em>                      -Aadi x</em>

Mashutka [201]2 years ago
5 0

Answer:

B. y = 2x

Step-by-step explanation:

every y value is the value of x multiplied by 2

so that means y=2x

hope this helps luv <3

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