Question

select all the functions that have no real number solutions
4x^2+100=0
3x^2-9=0
x^2+1=0
6x^2-216=0
x^2-49=0

Answer 1

wrong try again

Answer 2

x^2+1=0
x^2-49=0

Answer 3

The correct options are:
x^2+1=0
x^2-49=0