Labeling Expressions

Front

What is an expression in mathematics?

Back

An expression is a combination of numbers, variables, and operators (such as +, -, *, /) that represents a value.

Front

What is a term in an expression?

Back

A term is a single mathematical expression that can be a number, a variable, or a combination of both multiplied together.

Front

How do you identify the number of terms in an expression?

Back

Count the number of distinct parts separated by + or - signs.

Front

What is a coefficient?

Back

A coefficient is a numerical factor in a term that multiplies a variable.

Front

What is a variable in an expression?

Back

A variable is a symbol (often a letter) that represents an unknown value.

Front

What is a constant in an expression?

Back

A constant is a fixed value that does not change.

Front

How do you write an expression with a specific coefficient and constant?

Back

Combine the coefficient with the variable and add the constant, e.g., for -2 as coefficient and -5 as constant: -2x - 5.

Front

What is the coefficient of x in the expression 3x + 4?

Back

The coefficient of x is 3.

Front

What is the coefficient of x in the expression -5x + 2?

Back

The coefficient of x is -5.

Front

How do you simplify the expression 2x + 3x?

Back

Combine like terms to get 5x.