kx^2 + kx - k :What Formular to use?

Useful poster if you get confused with all the formulars! Need to say thanks to my Maths Teacher for helping me wiht the first blue formular!

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  • Created by: CaelumD
  • Created on: 16-10-10 14:22
Preview of kx^2 + kx - k   :What Formular to use?

First 53 words of the document:

When you have an
kx² - kx ­ k 3x² - 2x - 1 abc
2 2
b b
x c
Only if the question
2 2 asks! (x+p)²+q
(kx+k)(kx-k) If it's a quadratic!
b²-4ac If talking about Nº of


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