SOLUTION: approximate the real zeros of f(x)=2x^4-3x^2-2 to the nearest tenth. a)-2 b)+-1.4 c)+-1.5 d)no real root

Algebra ->  Linear-equations -> SOLUTION: approximate the real zeros of f(x)=2x^4-3x^2-2 to the nearest tenth. a)-2 b)+-1.4 c)+-1.5 d)no real root      Log On


   



Question 210127: approximate the real zeros of f(x)=2x^4-3x^2-2 to the nearest tenth.
a)-2
b)+-1.4
c)+-1.5
d)no real root

Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
approximate the real zeros of f(x)=2x^4-3x^2-2 to the nearest tenth.
----
I graphed it and found a zero around x = -1.4
===================================================
Cheers,
Stan H.
-----------------
a)-2
b)+-1.4
c)+-1.5
d)no real root