Question

Which of the following is equivalent to the expression below?-36A. -6B. 6ОООC. 6D. -6

Answer 1

SOLUTION;

$\sqrt[]{-36}\text{ = }\sqrt[]{(36)(-1)}\text{ = }\sqrt[]{36}\text{ x }\sqrt[]{-1\text{ }}\text{ = 6i}$

Recall that the square root of the negative one is "i" meaning that it is a complex number and not a real number.