Question 32315
Discriminant for ax^2+bx+c = 0 is b^2-4ac
For 8y^2 - 2 = 0, a=8, b=0, c=-2
b^2-4ac = 64 (Discriminant)
Roots are [-b + sqrt(discriminant)]/2a and [-b - sqrt(discriminant)]/2a 
=> x=1/2 and x=-1/2