## [C.11] Find Linear Model with two point regression

[C.11] Find Linear Model with two point regression
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Taught by TheMathDude

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Enter relationship data on your graphing calculator and determine the best fit model function for that relationship using regression (STAT/EDIT, STAT/CALC). Then, use that best fit model function to make predictions by evaluating and solving using the regression function (VARS/Statistics/EQ/RegEQ).
• How do you find a linear model with two point regression using a TI graphing calculator?
• If you are given two ordered pairs, how do you find the equation of the line between the points using a TI graphing calculator?
• How can you use a TI graphing calculator to find the equation of a line between (300, 20.2) and (400, 11.2)?
• How can you do linear regression using lists and STAT > CALC > LinReg(ax+b) in a TI graphing calculator?
• How can you use a TI graphing calculator to find the equation of a line that goes through the point (20, -3.5) with a slope of 10?
This lesson shows how to find the equation for the line between two points using a TI graphing calculator. This is a very useful tip that can help make your life much easier.
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Reviewed by MathVids Staff on July 11, 2010.