Algebra 1- Module 1 Review- Expressions Reveal

Front

What is the order of operations in algebra?

Back

The order of operations is Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right). Often remembered by the acronym PEMDAS.

Front

Translate the phrase 'a number decreased by 9' into an algebraic expression.

Back

n - 9

Front

What is the algebraic expression for 'the difference of 3 times a number and 7'?

Back

3n - 7

Front

What does '4 times the sum of a number and 8' mean in algebraic terms?

Back

4(n + 8) or 4n + 32.

Front

How do you simplify the expression 3h + 7(2 + 4h)?

Back

31h + 14.

Front

What is an algebraic expression?

Back

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

Front

What is a variable in algebra?

Back

A variable is a symbol, often a letter, that represents one or more numbers.

Front

What is the difference between an expression and an equation?

Back

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

Front

What does it mean to evaluate an expression?

Back

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

Front

What is the distributive property?

Back

The distributive property states that a(b + c) = ab + ac.