Which algebraic expression represents the phrase four times a number?
Understand the Problem
The question is asking to identify the algebraic expression that corresponds to the phrase 'four times a number'. This phrase suggests a multiplication of a variable (representing the number) by four.
Answer
$4x$
Answer for screen readers
The algebraic expression corresponding to the phrase 'four times a number' is $4x$.
Steps to Solve
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Identify the Variable We need to define a variable to represent 'a number'. Let's use $x$ to represent this number.
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Translate the Phrase The phrase 'four times a number' indicates multiplication. Therefore, we can express this mathematically as $4 \times x$.
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Write the Algebraic Expression We can simplify the expression from the previous step into a single algebraic expression, which is $4x$.
The algebraic expression corresponding to the phrase 'four times a number' is $4x$.
More Information
This expression can be used in various mathematical problems, such as equations or functions, particularly in algebra where various expressions involving variables are common.
Tips
- Confusing addition with multiplication (e.g., writing $4 + x$ instead of $4x$). To avoid this, remember the phrase indicates multiplication.
