Direct & Inverse Variation

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What is Direct Variation?

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What is Inverse Variation?

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What does the constant 'k' represent in direct variation?

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In direct variation, 'k' represents the constant of variation, which indicates how much y changes for a unit change in x.

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What does the constant 'k' represent in inverse variation?

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In inverse variation, 'k' represents the constant of variation, which indicates the product of x and y remains constant.

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If y varies directly as x and y = 10 when x = 5, what is the value of k?

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If y varies inversely as x and y = 4 when x = 2, what is the value of k?

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How can you determine if a table represents direct variation?

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A table represents direct variation if the ratio of y to x is constant for all pairs of values.

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How can you determine if a table represents inverse variation?

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A table represents inverse variation if the product of x and y is constant for all pairs of values.

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What is the equation for direct variation?

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What is the equation for inverse variation?

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