Unit 4 Flashcard Review

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. The acronym PEMDAS helps remember the order: Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right).

Front

Calculate: (10 + 2) X 10 - 3

Back

117

Front

Calculate: (82 ÷ 2) × 3 – 17 + 5

Back

111

Front

What is prime factorization?

Back

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

Front

What is the prime factorization of 45?

Back

3² x 5

Front

What does the expression 2 x 2 x 2 x 2 x 2 represent?

Back

It represents 2 raised to the power of 5, or 2⁵.

Front

Calculate: 2 x 2 x 2 x 2 x 2 = z

Back

z = 32, which is 2⁵.

Front

What is an algebraic expression?

Back

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

Front

What does the expression 4 - x represent?

Back

It represents a value that decreases as x increases.

Front

What is a variable in mathematics?

Back

A variable is a symbol, often a letter, that represents a number in mathematical expressions or equations.