solve. Let f(x)= 2x^2-5x-1 find x so the f(x) = 0

a 5+- square root 17/4

b -5 +- square root 17/4

c 5+- square root 33/4

d -5 +- square root 33/4
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1 Answer

y=2x^2-5x-1=0

quadratik equashun giv zeroes at x=2.686140662 or -0.186140662

-b/2a=1.25, b^2-4ac=33, sqrt(33)=5.744562647, sqrt/2a=1.4361406616345
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