The roots of 2x2–6x+8=0 are ___________.
real, unequal and rational
real, unequal and irrational
real and equal
imaginary
Step 1: For 2x2–6x+8=0, value of discriminant D=(−6)2–4(2)(8)=36−64=−28
Step 2: Since D<0, roots are imaginary.
The roots of 2x2–6x+8=0 are :
The roots of 2x2–6x+8=0 are imaginary.
Comment on the nature of the roots of the equation 2x2–6x+8=0