Question

Given the trinomial 2x*2 + 4x − 2, what is the value of the discriminant?
a. 0
b. 10
c. 32
d. 36

Answer 1

2x2+4x−2
comparing it with
ax2+bx+c
we find a= 2, b= 4 & c=2 now discriminant is given as:
b2−4ac=42−4××2×2=16−16=0
so A.0 is the correct answer.

Answer 2

C is the answer.. 32

Answer 3

:3