Semester Review #5: 2.2 - 2.4

Front

Back

6

Front

Distribute: 7 (x - 5)

Back

7x - 35

Front

Find the median of the data set: 21, 7, 32, 45, 28, 78

Back

30

Front

Identify the variable in the expression: 3x + 9

Back

x

Front

Find the range of the data set: 1.43, 1.05, 34, 56, 89, 1.1

Back

87.95

Front

What is a term in an algebraic expression?

Back

A term is a single mathematical expression that can be a number, a variable, or a combination of both, separated by addition or subtraction.

Front

What is the definition of median in a data set?

Back

The median is the middle value when the numbers are arranged in order.

Front

How do you find the range of a data set?

Back

The range is found by subtracting the smallest value from the largest value in the data set.

Front

What does it mean to distribute in algebra?

Back

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

Front

What is a variable in mathematics?

Back

A variable is a symbol used to represent an unknown value, often denoted by letters such as x or y.