Find an equivalent expression with the given denominator.
-$$\frac { 3 } { 7 y } = \frac { ? } { 7 y ^ { 2 } }$$
A) $\frac { 3 y ^ { 2 } } { 7 y ^ { 2 } }$
B) $\frac { 3 y } { 7 y ^ { 2 } }$
C) $\frac { y } { 7 y ^ { 2 } }$
D) $\frac { 21 y } { 7 y ^ { 2 } }$

Question

Quizplus · Accepted Answer

To make the denominator $7y^2$ from $7y$, you multiply the original denominator by $y$. Therefore, you must also multiply the numerator by $y$ to keep the expression equivalent, resulting in $\frac{3y}{7y^2}$.

Find an Equivalent Expression with the Given Denominator 37y=?7y2\frac { 3 } { 7 y } = \frac { ? } { 7 y ^ { 2 } }7y3​=7y2?​

Find an Equivalent Expression with the Given Denominator $\frac { 3 } { 7 y } = \frac { ? } { 7 y ^ { 2 } }$