Write and Evaluate Algebraic Expressions

Front

What is a variable in an algebraic expression?

Back

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

Front

What is a constant in an algebraic expression?

Back

A constant is a fixed value that does not change 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 does it mean to evaluate an algebraic expression?

Back

To evaluate an algebraic expression means to substitute the values of the variables and perform the operations to find a numerical result.

Front

What is the algebraic expression for '5 more than a number'?

Back

The algebraic expression is n + 5.

Front

What is the algebraic expression for 'twice a number'?

Back

The algebraic expression is 2n.

Front

Evaluate the expression 3x + 2 when x = 4.

Back

The result is 14.

Front

Evaluate the expression 2a - 5 when a = 3.

Back

The result is 1.

Front

What is the algebraic expression for 'the sum of a number and 10'?

Back

The algebraic expression is n + 10.

Front

What is the algebraic expression for 'the product of 4 and a number'?

Back

The algebraic expression is 4n.