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Math question

Blogs > il0seonpurpose
Post a Reply
il0seonpurpose
Profile Blog Joined January 2007
Korea (South)5638 Posts
June 26 2008 22:55 GMT
#1
So when you graph something like y^2+ay+x^2+bx+c=0, why is it that between the two hyberbolas that the numbers are imaganery?

Kwidowmaker
Profile Blog Joined October 2007
Canada978 Posts
June 26 2008 23:27 GMT
#2
Because no X or Y values result in a 0.

That should be obvious following from what the lines are.
Kk.
Cascade
Profile Blog Joined March 2006
Australia5405 Posts
June 27 2008 01:08 GMT
#3
take an easy example: x^2 - y^2 - 1 = 0 and solve for y to get your hyperbolas:

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

see? between the hyperbolas you get sqrt(negative), that is imaginary numbers.

No idea if that is what you asked for. gl anyways.
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