Find the constant of variation k. Write the answer as an integer or simplified fraction. y varies directly as X. When x = 9, y = 18.

Jamy asked Dec 8, 2023

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31 votes

Find the constant of variation k. Write the answer as an integer or simplified fraction.

y varies directly as X. When x = 9, y = 18.

Jamy asked Dec 8, 2023

by Jamy

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13 votes

Answer:

k = 2

Explanation:

y varies directly as x: y = kx (for some constant, k)

when x = 9 and y = 18: 18 = 9k

⇒ 2 = k

Therefore, k = 2

Phil Bowman answered Dec 14, 2023

3.2k points

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