Unit 4B Inequalities Test Review

Front

What is an inequality?

Back

An inequality is a mathematical statement that compares two expressions using symbols such as >, <, ≥, or ≤.

Front

What does the symbol '>' mean in inequalities?

Back

'>' means 'greater than'. For example, x > 5 means x is greater than 5.

Front

What does the symbol '<' mean in inequalities?

Back

'<'' means 'less than'. For example, x < 3 means x is less than 3.

Front

What does the symbol '≥' mean in inequalities?

Back

'≥' means 'greater than or equal to'. For example, x ≥ 4 means x is greater than or equal to 4.

Front

What does the symbol '≤' mean in inequalities?

Back

'≤' means 'less than or equal to'. For example, x ≤ 2 means x is less than or equal to 2.

Front

How do you solve the inequality x + 9 > 16?

Back

Subtract 9 from both sides: x > 7.

Front

What is the solution to the inequality x ≥ 3?

Back

The solution includes all numbers greater than or equal to 3.

Front

How can you represent the inequality x > 100 on a number line?

Back

Draw an open circle at 100 and shade to the right.

Front

What is the smallest integer that satisfies the inequality x > -3?

Back

The smallest integer is -2.

Front

How do you write the inequality for 'Mr. Dagger has at least 100 students'?

Back

The inequality is x ≥ 100.