Question

Determine the nature of the solutions:
x^2-2=0

- 1 real solution
-2 real solutions
-2 imaginary solutions

Answer 1

Use discriminant;

b^2 - 4ac

Answer 2

a = 1,
b = 0,
c = -2

Answer 3

x=\(\pm\sqrt{2}\) so 2 real solutions.