Explain why -4 is not a real number but -8 is two equations below of what they look like
[tex] \sqrt{ - 4} [/tex]
[tex] \sqrt[3]{ - 8} [/tex]

Explain why 4 is not a real number but 8 is two equations below of what they look liketex sqrt 4 textex sqrt3 8 tex class=

Respuesta :

-4 isn't a real number because there is no square root of -4. However, there is a cube root of -8, because -2 * -2 * -2 = -8.