Question

Question 5 (Multiple Choice Worth 2 points)

Simplify square root of -72

–10

–10

10

10

Answer 1

–10

–10j

10j

10
is the answers

Answer 2

opps its the square root of -100

Answer 3

\[\sqrt{-72}= \ \ \sqrt{72 i ^2}=\ \ \sqrt{3^{2} *2^{2} * 2 i ^2}= \ \ 6i \sqrt{2 }\]

Answer 4

Cant be any of those because 72 is negative

Answer 5

10i