Question

What are the roots of f(x) = x2 – 48?

Answer 1

x = 4
`√(3)` and x = -4
`√(3)`

Explanation:

What are the roots of f(x) = x2 – 48 ?

this one can be solved directly 0 = xx - 48

xx = 48

x = + root (48) or x = - root(48)

x = 4
`√(3)` and x = -4
`√(3)`