Terms, Constants, Variables, Coefficients

Front

What is a variable in mathematics?

Back

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

Front

What is a constant in mathematics?

Back

A constant is a fixed value that does not change, such as numbers like 5, -2, or 7.

Front

What is a coefficient?

Back

A coefficient is a numerical factor that multiplies a variable in an algebraic expression, such as the 3 in 3x.

Front

Identify the variable in the expression 5n - 8.

Back

The variable is n.

Front

Identify the constant in the expression 5n - 8.

Back

The constant is -8.

Front

Identify the coefficient in the expression 3x + 4.

Back

The coefficient is 3.

Front

What is the role of a variable in an equation?

Back

A variable allows for the representation of unknown values, enabling the formulation of equations.

Front

What is the difference between a variable and a constant?

Back

A variable can change and represent different values, while a constant remains the same.

Front

In the expression 4y + 7, what is the coefficient of y?

Back

The coefficient of y is 4.

Front

In the expression 2x - 5, what is the constant term?

Back

The constant term is -5.