Fill in the blank with one of the words or phrases listed below. Not all choices will be used. $$\begin{array} { l l l l }
\text { least common denominator } & \text { simplifying } & \text { reciprocals } & \text { numerator } \
\text { cross products } & \text { ratio } & \text { proportion } & \text { denominator } \
\text { rational expression } & \text { domain } & \text { complex fraction } & \
\frac { - a } { b } & \frac { a } { - b } & \frac { - a } { - b } &
\end{array}$$
-The expressions $\frac { 2 x } { 7 }$ and $\frac { 7 } { 2 x }$ are called_______
A) least common denominator
B) complex fraction
C) reciprocals
D) proportion

Question

Fill in the blank with one of the words or phrases listed below. Not all choices will be used. $$\begin{array} { l l l l } 
\text { least common denominator } & \text { simplifying } & \text { reciprocals } & \text { numerator } \
\text { cross products } & \text { ratio } & \text { proportion } & \text { denominator } \
\text { rational expression } & \text { domain } & \text { complex fraction } & \
\frac { - a } { b } & \frac { a } { - b } & \frac { - a } { - b } &
\end{array}$$
-The expressions $\frac { 2 x } { 7 }$ and $\frac { 7 } { 2 x }$ are called_______
A) least common denominator
B) complex fraction
C) reciprocals
D) proportion

Quizplus · Accepted Answer

The expressions $\frac{2x}{7}$ and $\frac{7}{2x}$ are reciprocals because the product of these two expressions is 1.

Fill in the Blank with One of the Words or Phrases