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Module 4

Variations

QuestionAnswer
What is the Direct Variation equation? y=kx
What is the Inverse Variation equation? y=k/x
What is the Joint Variation equation? y=kxz
y varies directly as x. If y is 45 when x is 5, find the constant of variation and the direct variation equation. The constant of variation is 9 The direct variation equation is y=9x
y varies inversely as x. If y is 3 when x is 5, find the constant of variation and the direct variation equation. The constant of variation is 15 The direct variation equation is y=15/x
y varies directly as x. If y is 100 when x is 4, find the constant of variation and the direct variation equation. The constant of variation is 25 The direct variation equation is y=25x
Created by: Ssims89