Parts of an Expression

Front

What is a coefficient in an algebraic expression?

Back

A coefficient is a numerical factor that multiplies a variable in an expression. For example, in 4x, 4 is the coefficient.

Front

Identify the constant in the expression: 5x + 7.

Back

The constant is 7.

Front

What is a variable in an algebraic expression?

Back

A variable is a symbol (often a letter) that represents an unknown value. For example, in the expression 3y + 2, y is the variable.

Front

How many terms are in the expression: 2a + 3b + 4c + 5?

Back

There are 4 terms in the expression.

Front

What is a term in an algebraic expression?

Back

A term is a single mathematical expression that can be a number, a variable, or a combination of both, separated by addition or subtraction.

Front

Identify the coefficient in the expression: 6y + 2.

Back

The coefficient is 6.

Front

What is the constant in the expression: 3x + 4y + 10?

Back

The constant is 10.

Front

How is the number 0 described in the expression: 5x + 0?

Back

0 is a constant.

Front

What is the expression for the sum of 3 times a variable x and 5?

Back

The expression is 3x + 5.

Front

Identify the number of terms in the expression: 7 + 2x + 3y - 4z.

Back

There are 4 terms in the expression.