Find the maximum of a polynomial trendline

J

jondavis1987

Active Member
Joined
Dec 31, 2015
Messages
443
Office Version
  1. 2019
Platform
  1. Windows
I would like a formula that automatically figures out what the maximum of poynomial trendline will be no matter what numbers i plug in there. I've seen a few explanations but they are all way above my head.

My X axis is A1:A4. Y axis B1:B4

X Axis Y Axis[TABLE="width: 960"]
<colgroup><col span="15"></colgroup><tbody>[TR]
[TD="align: right"]9.7[/TD]
[TD="align: right"]105.8[/TD]
[TD][/TD]
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[/TR]
[TR]
[TD="align: right"]11.9[/TD]
[TD="align: right"]111.5[/TD]
[TD][/TD]
[TD="align: right"][/TD]
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[/TR]
[TR]
[TD="align: right"]14.5[/TD]
[TD="align: right"]113.3[/TD]
[TD][/TD]
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[/TR]
[TR]
[TD="align: right"]16.8[/TD]
[TD="align: right"]110.2[/TD]
[TD][/TD]
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[/TR]
</tbody>[/TABLE]
 

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Use =SUM(January:December!E7) to sum E7 on all of the sheets from January through December
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