algebraic expressions

Front

What is an algebraic expression?

Back

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

Front

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

Back

Three

Front

What is a variable in an algebraic expression?

Back

A variable is a letter that represents an unknown number.

Front

What are constants in an algebraic expression?

Back

Constants are fixed values that do not change, such as -2 in the expression -4x + 6y - 2.

Front

What are coefficients in an algebraic expression?

Back

Coefficients are the numerical factors that multiply the variables, such as 16 in the expression 4 + 16v.

Front

What does the term 'like terms' mean?

Back

Like terms are terms that have the same variable raised to the same power.

Front

What is the difference between an expression and an equation?

Back

An expression is a combination of numbers and variables without an equality sign, while an equation states that two expressions are equal.

Front

How do you simplify the expression 3x + 4x?

Back

You combine like terms to get 7x.

Front

What is the distributive property?

Back

The distributive property states that a(b + c) = ab + ac, allowing you to multiply a single term by each term inside a parenthesis.

Front

What is the purpose of factoring an algebraic expression?

Back

Factoring an expression allows you to express it as a product of its factors, which can simplify solving equations.