Algebra Help (Quadratic Formula) - Printable Version
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Algebra Help (Quadratic Formula) by Joe on 12-05-2006 at 06:49 PM
I'm studying for a test i have in a few hours and I have come across something I apparently don't remember going over.
the problem is:
2x^2-3=0
RE: Algebra Help (Quadratic Formula) by foaly on 12-05-2006 at 06:53 PM
quote:2x^2=3
Originally posted by atown44
2x^2-3=0
x^2=1.5
x = squareroot[1.5]
checking it:
x =1.22474487
2*1.22474487^2 =3
RE: Algebra Help (Quadratic Formula) by Mnjul on 12-05-2006 at 07:51 PM
Remember x can be -squareroot[1.5] too.
RE: Algebra Help (Quadratic Formula) by foaly on 12-05-2006 at 11:28 PM
quote:aah i knew i forgot something
Originally posted by Mnjul
Remember x can be -squareroot[1.5] too.
