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Equation of trendline excel8/25/2023 ![]() The "new_x" values are in cells A24:C24, where B24 and C24 are the formulas as shown. The "known_y" values are in green in E3:E22 The "known_x" values are in green in A3:C22 If you change the values in E3:E22, the trend() function will update Cell E24 for your new input at Cell A24.Įdit = The trend() formula is in Cell E24 where the cell references are shown in red.Ĭell A24 contains the new X, and is the cell to change to update the formula in E24Ĭell B24 contains the X^2 formula (A24*A24) for the new XĬell C24 contains the X^3 formula (A24*A24*A24) for the new X Column C is X^3 (two cells to the left cubed). ![]() To display the equation of the polynomial trendline in Excel, double-click on the trendline. Luckily, Excel has a quick and easy step to find out the equation of the polynomial trendline which will help us find the slope of the curve at different points. ![]() Column B is X^2 (the cell to the left squared). The equation is the most essential part when it comes to determining the slope of a curve. Try trend(known_y's, known_x's, new_x's, const).Ĭolumn A below is X. ![]()
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