Question

Write the coefficient of $b$ in $7ab$.

• A. $7$
• B. $7a$
• C. $7ab$
• D. $a$

Answer 1

The correct option is B $7a$

We are given with an algebraic expression $7ab$.
The numerical coefficient in this algebraic expression is $7$.

The coefficient of $b$ in the algebraic expression $7ab$ is $7a$.

Hence, in $7ab$,
Numerical coefficient of $b=7$
Coefficient of $b=7ab$

Therefore, option (b.) is the correct answer.