Question

Find the discriminant of the equation x2 – 2x – 8 = 0​

Answer 1

Answer:

d=b²-4ac

d=2²-4*1*8

d=4-32

d=-28

Step-by-step explanation:

hope it helps you

Answer 2

Discriminant = b^2-4ac

so a=1 b=-2 c=-8

So, b^2-4ac = (-2)^2 - 4(1)(-8)

4+32=36

so discriminant = 36