Answer :
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
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