Multiply or divide, as indicated. Simplify the answer.
-$$\frac { \sqrt { - 7 } } { \sqrt { 63 } }$$
A) $\frac { 1 } { 3 } \mathrm { i }$
B) $- \frac { 1 } { 3 }$
C) $\frac { 1 } { 3 }$
D) $- \frac { 1 } { 3 } \mathrm { i }$

Question

Quizplus · Accepted Answer

The expression simplifies to $\frac{\sqrt{-7}}{\sqrt{63}} = \frac{\sqrt{-1}\sqrt{7}}{\sqrt{9}\sqrt{7}} = \frac{i\sqrt{7}}{3\sqrt{7}} = \frac{i}{3}$, which is option A.

Multiply or Divide, as Indicated −763\frac { \sqrt { - 7 } } { \sqrt { 63 } }63​−7​​

Multiply or Divide, as Indicated $\frac { \sqrt { - 7 } } { \sqrt { 63 } }$