Algebraic Expressions Review

Front

What is an algebraic expression?

Back

An algebraic expression is a mathematical phrase that can include numbers, variables, and operation symbols. For example, 3x + 5 is an algebraic expression.

Front

What is a variable in algebra?

Back

A variable is a letter that represents a number in an algebraic expression. For example, in the expression 4x + 2, 'x' is the variable.

Front

Simplify the expression: 4 − 5(−4n + 3)

Back

20n - 11

Front

Simplify the expression: (5x + 3) - (2x - 5)

Back

3x + 8

Front

Simplify the expression: 21 - 8x - 4 + 9x

Back

x + 17

Front

Simplify the expression: b − 3 + 6 − 2b

Back

-b + 3

Front

What is the coefficient in the expression 7x + 4?

Back

The coefficient is 7, which is the number multiplied by the variable x.

Front

What does it mean to simplify an expression?

Back

To simplify an expression means to combine like terms and reduce it to its simplest form.

Front

What are like terms?

Back

Like terms are terms that have the same variable raised to the same power. For example, 3x and 5x are like terms.

Front

What is the distributive property?

Back

The distributive property states that a(b + c) = ab + ac. It allows you to multiply a single term by each term in a parenthesis.