contestada

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

Select all the functions that have no real number solution 4x2 100 0 3x2 9 0 x2 1 0 6x2 216 0 x2 49 0 class=