First choose an equation. Next graph it Then you choose the best fitting window.

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Objective - To graph linear equations using the slope and y-intercept.

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Presentation transcript:

First choose an equation. Next graph it Then you choose the best fitting window

Then choose 5 points… 1. We chose the points -3,-2,-1,0,and 1 2. We found the slopes of the above points. The slopes of these points sequentially are… -32, -22, -12, -2, 8

Find the Equation of all the slopes… To do this you must first go to catalog and place in a function slot nDeriv. After that graph the function…

The slopes of the quadratic function make a linear function…

Finally… Find the function that fits the line. The line crosses the x axis at –2. So all we have to find the slope of the line. Then we found the slope, which turned out to be 10. Making the equation of the line y=10x-2

It works… Caleb Foshee Lyndsay Salmon 1 st period PreCalculus