Expressions: variables, constants & coefficients

Front

What is a variable in an expression?

Back

A variable is a symbol (usually a letter) that represents an unknown value in an expression.

Front

Identify the variable in the expression: 5 + y

Back

y

Front

What are coefficients in an expression?

Back

Coefficients are the numerical factors that multiply the variables in an expression.

Front

Identify the coefficients in the expression: 3x + 4y - 7

Back

3 and 4

Front

What is a constant in an expression?

Back

A constant is a fixed value that does not change.

Front

Identify the constant in the expression: 6 + n

Back

6

Front

What is the role of a coefficient in an equation?

Back

A coefficient indicates how many times a variable is multiplied.

Front

Select the coefficient in the equation: 4m = 96

Back

4

Front

What is an expression in mathematics?

Back

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

Front

Identify the variables in the expression: 3x + 4y - 7

Back

x and y