Expressions Review

Front

What is an expression in mathematics?

Back

An expression is a combination of numbers, variables, and operators (such as +, -, *, /) that represents a value.

Front

What does it mean to simplify an expression?

Back

To simplify an expression means to reduce it to its simplest form by combining like terms and performing operations.

Front

What is the order of operations in mathematics?

Back

The order of operations is a set of rules that determines the sequence in which calculations are performed: Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right) - often remembered by the acronym PEMDAS.

Front

How do you evaluate an expression with exponents?

Back

To evaluate an expression with exponents, calculate the exponent first, then perform the other operations in the order of operations.

Front

What is the prime factorization of a number?

Back

Prime factorization is the process of expressing a number as the product of its prime factors.

Front

What is a variable in an expression?

Back

A variable is a symbol (usually a letter) that represents an unknown value in an expression or equation.

Front

How do you distribute in an expression?

Back

To distribute means to multiply a term outside the parentheses by each term inside the parentheses.

Front

What is a like term?

Back

Like terms are terms that have the same variable raised to the same power, allowing them to be combined.

Front

What does it mean to combine like terms?

Back

Combining like terms involves adding or subtracting coefficients of terms that have the same variable and exponent.

Front

Back

The result is 2.