Unit 4 Study Guide 2024

Front

A letter that represents a number is called a _____

Back

variable

Front

Evaluate when x = 2 and y = 5: 2 + (12 - 5x) ⋅ 2y

Back

22

Front

True or false: Addition ALWAYS comes before subtraction.

Back

False

Front

Anything raised to a power of zero is always:

Back

1

Front

Identify the coefficient in the expression 4m + n + 2

Back

4

Front

What is a coefficient?

Back

A number that multiplies a variable.

Front

What is a constant in an expression?

Back

A fixed value that does not change.

Front

What does it mean to evaluate an expression?

Back

To calculate the value of the expression by substituting variables with numbers.

Front

What is the order of operations?

Back

Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right).

Front

What is a term in an algebraic expression?

Back

A single mathematical expression that can be a number, variable, or the product of numbers and variables.