SOLUTION: Please help me with this problem: Compute the positive square root of the discriminant of the parabola f(x) = -6x2 + (18)x + (2) to one place of decimal.

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Question 617997: Please help me with this problem:
Compute the positive square root of the discriminant of the parabola f(x) = -6x2 + (18)x + (2) to one place of decimal.
Answer by ankor@dixie-net.com(22740) About Me  (Show Source):
You can put this solution on YOUR website!
Compute the positive square root of the discriminant of the parabola f(x) = -6x*2 + (18)x + (2) to one place of decimal.
:
The discriminant: b^2 - 4ac
This equation: a=-6; b=18; c=2
d = 18^2 - 4*-6*2
d = 324 + 48
d = 372
the positive square root:
sqrt%28372%29 ~ 19.3