'Recognize direct variation' presentation slideshows

11-5

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11-5

348 views • 34 slides

Learn to recognize direct variation by graphing tables of data and checking for constant ratios.

Learn to recognize direct variation by graphing tables of data and checking for constant ratios. Helpful Hint. The graph of a direct-variation equation is always linear and always contains the point (0, 0). The variables x and y either increase together or decrease together.

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What do all three of these have in common?

What do all three of these have in common?. 11.3 Direct and Inverse Variation. Direct Variation The following statements are equivalent: y varies directly as x . y is directly proportional to x . y = kx for some nonzero constant k .

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