Rationalize the denominator. Assume all variables represent positive real numbers.
-$\frac { 4 } { \sqrt { 7 } }$
A) $\frac { 16 \sqrt { 7 } } { 7 }$
B) $4 \sqrt { 7 }$
C) $\frac { 4 \sqrt { 7 } } { 7 }$
D) 53

Question

Quizplus · Accepted Answer

To rationalize the denominator, multiply the numerator and the denominator by $\sqrt{7}$ to get $\frac{4 \sqrt{7}}{7}$.

Rationalize the Denominator 47\frac { 4 } { \sqrt { 7 } }7​4​

Rationalize the Denominator $\frac { 4 } { \sqrt { 7 } }$