Question

which of the following quadratic equations do not have real root​

Answer 1

Answer:

in complete questions

Answer 2

Step-by-step explanation:

The quadratic equation ax2+bx+c=0 has no real roots only when discriminant D<0

D=b2−4ac<0

A) x2+4x+32=0

Here, 

D=(4)2−4×32

=16−16.97<0

B) x2+4x−32=0

Here,

D=(4)2−4×(−32)

=16+16.97>0

C) x2+5x+32=0

Here, 

D=(5)2−4×(32)

=25−16.97>0

D) 3x2+43x+4=0

Here, 

D=(43)2−4×3×4

=48−