K kiley0118 New member Joined Sep 29, 2005 Messages 2 Sep 29, 2005 #1 I am having trouble with this equation: 3x^2 - x + 2 = 0. If anyone can help that'd be great. Thanks!!
I am having trouble with this equation: 3x^2 - x + 2 = 0. If anyone can help that'd be great. Thanks!!
G galactus Elite Member Staff member Joined Sep 28, 2005 Messages 7,203 Sep 29, 2005 #2 Check the discriminant, b^2-4ac. If it is negative, then there is no real root.
D Drahcir87 New member Joined Sep 29, 2005 Messages 3 Sep 29, 2005 #3 What class is this for? For Algebra I or lower: there are no real roots. For Algebra II or higher: X = [1 +/- (23)^(1/2)i] / [9]
What class is this for? For Algebra I or lower: there are no real roots. For Algebra II or higher: X = [1 +/- (23)^(1/2)i] / [9]
D Denis Senior Member Joined Feb 17, 2004 Messages 1,700 Sep 29, 2005 #4 [1 + sqr(23)i] / 6 or [1 - sqr(23)i] / 6
