Question 391842
Reorder the terms to produce {{{y = -2x^2 + x - 8}}}. By the quadratic formula,


{{{x = (-1 +- sqrt(1 - 16))/(-4) = (1 +- sqrt(-15))/4 = (1 +- sqrt(15)i)/4}}}. Since the roots have an imaginary part not equal to zero, the zeros of the function are complex.