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Direct and Inverse Variation Continued… Tuesday, September 2, 2014

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Where might I find this in the real world?

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What is the proportion for Direct Variation?

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What is the proportion for Inverse Variation?

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Let’s Review

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Remember the Direct and Inverse Variation equations? How can we use the equations to find the constant of variation (k)?

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Examples: 1. y varies directly as x, and y = 4 when x = 2. 2. y varies inversly as x, and y = 2 when x = 6.

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You try 1. If y varies directly as x, and y = -3 when x = 9. 2. If y varies inversely as x, and y = -1 when x = 2.

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Can we solve word problems that have both types of variation? Let’s try it!

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Practice makes perfect With your learning partner, on notebook paper, work the ODD problems from the Direct & Inverse Variation Worksheet.

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Homework Complete the worksheet showing all your work on notebook paper.

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Exit Ticket On half a sheet of notebook paper, in complete sentences, tell the similarities and differences of direct and inverse variation.

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