Algebraic Expressions

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 the term 'variable' mean in algebra?

Back

A variable is a symbol, usually a letter, that stands for an unknown number.

Front

What is an algebraic expression?

Back

An algebraic expression is a combination of numbers, variables, and operations (like addition and multiplication) that represents a value.

Front

What does 'addition' mean in algebra?

Back

Addition refers to the operation of combining two or more quantities to get a total.

Front

What is the term for 'subtract' in algebra?

Back

The term 'less than' is often used to indicate subtraction.

Front

How do you represent the total earnings of Carla and her sisters if each earned 9 dollars?

Back

The expression is 9x, where x is the number of sisters.

Front

What is the difference between a term and an expression?

Back

A term is a single mathematical entity (like a number or variable), while an expression is a combination of terms.

Front

What does 'evaluate' mean in the context of algebraic expressions?

Back

To evaluate an expression means to calculate its value by substituting numbers for the variables.

Front

What is the purpose of parentheses in algebraic expressions?

Back

Parentheses indicate which operations should be performed first in an expression.

Front

What is a constant in an algebraic expression?

Back

A constant is a fixed value that does not change, such as the number 8 in the expression 7c + 8.