Which expression is equivalent to −45\sqrt{-45} in simplest form?

Complex Solutions of Quadratic Equations

10. Quadratic Equations / Complex Solutions of Quadratic Equations / Problem 4

Problem 4

Which expression is equivalent to $\sqrt{- 45}$ in simplest form?

$5 i the square root of 3$

$3 i the square root of 5$

$9 i the square root of 5$

$3 the square root of 5$