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X intercepts
ndqp
Feb 12, 2006, 09:11 PM
find th x intercepts for the parabola y= 3x^2 +2x-1:confused:
CaptainForest
Feb 12, 2006, 09:23 PM
y= 3x^2 +2x-1
To find the x-intercepts, y must equal 0
3x^2 +2x-1 = 0
(3x-1) (x+1) = 0
3x-1 = 0 OR x+1=0
x = 1/3 OR x=-1