A quadratic equation ax2 + bx + c = 0 has no real roots, if
A. b2 – 4ac < 0
B. b2 – 4ac = 0
C. b2 – 4ac < 0
D. b2 – ac < 0
Answer:C
A quadratic equation ax2 + bx + c = 0 has no real roots, if
A. b2 – 4ac < 0 B. b2 – 4ac = 0 C. b2 – 4ac < 0 D. b2 – ac < 0