Solve 2x² + 8 = 0 by graphing the related function.

Solution:

The graph of the given function is plotted below:

It is evident from the graph that it does not cross the x axis and it hence has no zeroes.

Hence there exists no real solution for the function 2x² + 8 = 0

The solution that exists for the function are :

2x² + 8 = 0

2x² = -8

x² = -8

x² = -4

x = ±2i

Solve 2x² + 8 = 0 by graphing the related function.

Summary:

Solving 2x² + 8 = 0 by graphing the related function there are are no real solutions