Question

Which of the following is an algebraic expression?

• A. $2\times 3$
• B. $5\times x$
• C. 7 - 5
• D. $\frac{2}{3}$

Answer 1

The correct option is B

$5\times x$

Numbers, variables and operators (such as + and ×), grouped together is known as an expression.
For example, $\frac{x}{3},5\times x$ and $4x+5$ are expressions.