Inequalities Flashcard

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?

Back

The symbol '≤' means 'less than or equal to'.

Front

What does the symbol '≥' mean?

Back

The symbol '≥' means 'greater than or equal to'.

Front

How do you represent 'the maximum speed allowed on Main Street is 25 mph' as an inequality?

Back

s ≤ 25

Front

What does an open circle on a number line indicate?

Back

An open circle indicates that the number is not included in the solution set.

Front

What does a closed circle on a number line indicate?

Back

A closed circle indicates that the number is included in the solution set.

Front

When solving inequalities, do you flip the inequality sign when multiplying or dividing by a negative number?

Back

Yes, you flip the inequality sign when multiplying or dividing by a negative number.

Front

Solve the inequality: 3x ≥ 12. What is x?

Back

x ≥ 4.

Front

Solve the inequality: x/2 + 4 < 8. What is x?

Back

x < 8.

Front

What is the solution to the inequality 4 > b?

Back

b < 4.