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What is the constant of variation, k, of the direct variation, y = kx, through (–3, 2)?
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What is the constant of variation, k, of the direct variation, y = kx, through (–3, 2)?

User Matt Ellis
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y = kx ⇒ k = y/x = 2/(-3) = -2/3

Answer: k = -2/3
User Jon Raynor
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