For the expression $\sqrt{\mathrm{a}}$, under what conditions will its value be positive?
A) a must be positive
B) a must be real
C) a must be 0
D) a must be negative

Question

Quizplus · Accepted Answer

The square root of a number is positive if the number itself is positive. If $a$ is positive, $\sqrt{a}$ will be positive. If $a$ is zero, $\sqrt{a}$ will be zero, not positive. If $a$ is negative, $\sqrt{a}$ is not defined in the real numbers.

For the Expression a\sqrt{\mathrm{a}}a​ , Under What Conditions Will Its Value Be Positive? A)

For the Expression $\sqrt{\mathrm{a}}$ , Under What Conditions Will Its Value Be Positive?
A)