Algebraic Expressions

Front

What is a variable in an algebraic expression?

Back

A variable is a symbol, often a letter, that represents an unknown value in an algebraic expression.

Front

What is a coefficient in an algebraic expression?

Back

A coefficient is a numerical factor that multiplies a variable in an algebraic expression.

Front

What are terms in an algebraic expression?

Back

Terms are the individual components of an expression separated by plus or minus signs.

Front

How do you identify the variables in the expression 15n - 4?

Back

The variable in the expression 15n - 4 is 'n'.

Front

How do you identify the coefficients in the expression 4 + 16v?

Back

The coefficient in the expression 4 + 16v is '16', which multiplies the variable 'v'.

Front

What is the difference between a constant and a variable?

Back

A constant is a fixed value that does not change, while a variable can represent different values.

Front

What is an algebraic expression?

Back

An algebraic expression is a mathematical phrase that can include numbers, variables, and operations.

Front

What is the role of parentheses in algebraic expressions?

Back

Parentheses indicate the order of operations and can group terms to clarify calculations.

Front

What does it mean for an expression to be simplified?

Back

Simplifying an expression means to combine like terms and reduce it to its simplest form.

Front

What is a like term in algebra?

Back

Like terms are terms that have the same variable raised to the same power.