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September 19, 2014

September 19, 2014

Posted by **Sandy** on Tuesday, March 16, 2010 at 8:01pm.

- math 30 -
**bobpursley**, Tuesday, March 16, 2010 at 8:26pm4(x^2-2x+1) -(y^2 +4y+4)=-16

4(x-1)^2-(y+2)^2=-(4)^2

(x-1)^2/1- (y+2)^2/2^2=-1

Now this negative sign presents a problem, so

(y+2)^2/4^2 -(x-1)^2/2=1

check that.

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