Q157. The roots of the quadratic equation 2x2 - bx + 8 = 0 are imaginary if:Mathematics — Quadratic Equations — Question 157 of 200A. b2 < 64B. b2 > 64C. b2 = 64D. b = ±8Practice more Mathematics MCQs for entrance exam preparation on Examora.io.← Previous Question Next Question →