Question

the descrimenant of the quadratic equation x^2+x+7=0 is​

Answer 1

Answer:

$D = b^2 - 4ac$

a = 1

b = 1

c = 7

$D = 1^2 - 4\times1\times7 = 1 - 28 = -27$

So D = -27

(Also, since D is negative, this equation has unreal roots)