Im having trouble answering questions like this, any help would be much appreciated. Find the centre and radius of the circle with equation
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Originally Posted by edwards2779 Im having trouble answering questions like this, any help would be much appreciated. Find the centre and radius of the circle with equation x^2 - 6x + 9 + y^2 - 2y + 1 = 0 + 9 + 1 + 6 (x - 3)^2 + (y - 1)^2 = 16 I'll also give it to you in LaTeX. Just notice the constants I've marked in red.
Last edited by janvdl; February 24th 2009 at 09:54 AM. Reason: Bummer. Forgot the 6.
For Center is (-h,-f) And Radius is EDIT: Too late Jan watch "6"
Originally Posted by edwards2779 Im having trouble answering questions like this, any help would be much appreciated. Find the centre and radius of the circle with equation If you are not familiar with the technique of completing the square, then you should review it. In this example, we have Now can you see the center and radius?
oh i see now, so you basically just factorising. thanks for the help
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