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March 17, 2026, 06:58:09 pm
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Author Topic: Turning points  (Read 1096 times)  Share 

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lolaishappy

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Turning points
« on: December 22, 2014, 09:38:42 pm »
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In the exam or sacs where you have to find turning points (polynomials chapter) to sketch a graph without CAS. Will they ever ask to turn a equation to turningpoint form? I find it easier to find he derivativr, let it equal 0,solvethe x-values,sub into original equation.

Thises Calculus,would any marks be deducted?

Nevermind was answered.. sorry
« Last Edit: December 22, 2014, 09:41:31 pm by lolaishappy »
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keltingmeith

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Re: Turning points
« Reply #1 on: December 22, 2014, 09:40:54 pm »
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Your question has been answered in the methods 3/4 question thread. I suggest going there and having a look, instead of making a separate topic about it just because it took us longer than half an hour to answer your non-urgent question.
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Orson

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Re: Turning points
« Reply #2 on: January 20, 2015, 05:14:21 pm »
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Quote from: lolaishappy on December 22, 2014, 09:38:42 pm
In the exam or sacs where you have to find turning points (polynomials chapter) to sketch a graph without CAS. Will they ever ask to turn a equation to turningpoint form? I find it easier to find he derivativr, let it equal 0,solvethe x-values,sub into original equation.

Thises Calculus,would any marks be deducted?

Nevermind was answered.. sorry

You really find derivatives (which are easy) much easier than completing the square (which is also very easy)?
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