Inequalities and Inverse Operations

Front

What is the result of the expression x + 18 when x = 6?

Back

24

Front

What inverse operation should you use to solve for t in the equation t + 8 = 20?

Back

Subtraction

Front

What are two possible solutions to the inequality x < 8?

Back

0.8, 5.9

Front

What does it mean to isolate a variable in an equation or inequality?

Back

To get the variable by itself.

Front

How do you solve the equation h * 5 = 60 for h?

Back

h = 12

Front

What is an inequality?

Back

A mathematical statement that compares two expressions and shows that one is less than, greater than, less than or equal to, or greater than or equal to the other.

Front

What is the purpose of using inverse operations in solving equations?

Back

To undo the operations applied to the variable and isolate it.

Front

What is the solution set for the inequality x > 3?

Back

All numbers greater than 3.

Front

How do you represent the solution to the inequality x ≤ 5 on a number line?

Back

A closed circle at 5 and a line extending to the left.

Front

What is the first step in solving the equation 2x + 4 = 12?

Back

Subtract 4 from both sides.