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Slope-Intercept From 3. Goal Given a table of data, find an equation of the line in the y=mx+b form.

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Presentation on theme: "Slope-Intercept From 3. Goal Given a table of data, find an equation of the line in the y=mx+b form."— Presentation transcript:

1 Slope-Intercept From 3

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

3 Step 1 Write original equation: y=mx+b

4 Step 2

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

6 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.

7 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.

8 Example 1 xY

9 You try! xy

10 Example 2 xy

11 You try xy

12 Homework Back of in-class examples


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