Parts of Algebraic Expressions

Front

What is a number with no variable attached called?

Back

A number with no variable attached is called a constant.

Front

What is the term for the number that appears before a variable in an algebraic expression?

Back

The term for the number that appears before a variable is called a coefficient.

Front

Identify a constant in the expression: 3x + 2y + 7.

Back

The constant in the expression 3x + 2y + 7 is 7.

Front

How many terms are in the expression: 7y + 3 - 7k - 2?

Back

There are 4 terms in the expression 7y + 3 - 7k - 2.

Front

What is the coefficient in the algebraic expression 4x + 5?

Back

The coefficient in the algebraic expression 4x + 5 is 4.

Front

Define an algebraic expression.

Back

An algebraic expression is a mathematical phrase that can include numbers, variables, and operation symbols.

Front

What is a term in an algebraic expression?

Back

A term in an algebraic expression is a single mathematical expression that can be a number, a variable, or a combination of both multiplied together.

Front

How do you identify the number of terms in an expression?

Back

To identify the number of terms in an expression, count the number of distinct parts separated by plus or minus signs.

Front

What is the difference between a constant and a variable?

Back

A constant is a fixed value that does not change, while a variable is a symbol that represents an unknown value and can change.

Front

What is the role of coefficients in algebraic expressions?

Back

Coefficients indicate how many times a variable is multiplied in an algebraic expression.