Evaluate the radical expression $\sqrt { - 12 }$ without using a calculator. If not possible, state the reason.
A) -12
B) -144
C) 144
D) 12
E)not a real number

Question

Quizplus · Accepted Answer

The square root of a negative number is not a real number, since the square of any real number is positive. Therefore, $\sqrt{-12}$ is not possible without introducing imaginary numbers.

Evaluate the Radical Expression −12\sqrt { - 12 }−12​ Without Using a Calculator

Evaluate the Radical Expression $\sqrt { - 12 }$ Without Using a Calculator