Solving and Graphing Inequalities

Front

What is an inequality?

Back

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

Front

What does the symbol '>' mean?

Back

The symbol '>' means 'greater than'.

Front

What does the symbol '<' mean?

Back

The symbol '<' means 'less than'.

Front

What does the symbol '≥' mean?

Back

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

Front

What does the symbol '≤' mean?

Back

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

Front

How do you solve the inequality -2x - 3 ≥ 7?

Back

Add 3 to both sides: -2x ≥ 10. Then divide by -2 (remember to flip the inequality): x ≤ -5.

Front

What type of dot is used when graphing x > 4?

Back

An open dot is used when graphing x > 4.

Front

What type of dot is used when graphing x ≤ 4?

Back

A closed dot is used when graphing x ≤ 4.

Front

How do you represent 'more than 250' in inequality form?

Back

c > 250.

Front

How do you represent 'less than -2' in inequality form?

Back

x < -2.