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 coefficient?

Back

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

Front

What is a constant?

Back

A constant is a fixed value that does not change in an expression or equation.

Front

Identify the variable in the expression 4a + 3.

Back

The variable is 'a'.

Front

Identify the coefficient in the expression -8x + 5.

Back

The coefficient is -8.

Front

Identify the constant in the expression 2y - 7.

Back

The constant is -7.

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

How do you identify the coefficient in an expression?

Back

The coefficient is the number that is multiplied by the variable.

Front

What happens to the value of a constant when the variable changes?

Back

The value of a constant remains the same regardless of changes in the variable.

Front

In the expression 5x + 2y - 3, what are the coefficients?

Back

The coefficients are 5 and 2.