Question

Select the approximate values of x that are solutions to f(x) = 0, where

Answer 1

A=-2;b=9;c=9;
delta=b^2-4*a*c
root1=(-b+(delta^(0.5)))/(2*a)  
root2=(-b-(delta^(0.5)))/(2*a)

delta =153
root1 = -0.8423
root2 = 5.3423

Correct Answer is D