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Published byAlexzander Keer Modified over 2 years ago

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Slope-Intercept From 3

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Goal Given a table of data, find an equation of the line in the y=mx+b form.

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Step 1 Write original equation: y=mx+b

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Step 2

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Step 3 Plug the slope in for m into y=mx+b

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Step 4 Check to see if x=0 is a point. If so, that y- value is the y intercept. Plug that number in for b.

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Step 5 Of x=0 is NOT a point, then we must find b. Pick any point from the list and plug it in for x and y. Then solve for b. Plug b into final equation.

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Example 1 xY

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You try! xy

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Example 2 xy

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You try xy

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Homework Back of in-class examples

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