Question

Which expression is equal to 2sqrt-32?

Answer 1

Answer:

a

Step-by-step explanation:

$2\sqrt{-32} \\=2\sqrt{(-1)(32)} \\=2\sqrt{-1}\sqrt{2^5} \\=2\sqrt{-1} \sqrt{(2^4)(2)} \\=2(2^2)i\sqrt{2} \\=8i\sqrt{2}$