Write, Solve, and Graph Inequalities

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 an inequality?

Back

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

Front

What does the symbol '<' mean in an inequality?

Back

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

Front

What does the symbol '≥' mean in an inequality?

Back

The symbol '≥' 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 an inequality?

Back

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

Front

Back

Multiply both sides by 3: r > 18.

Front

What inequality does the graph with a closed circle at 9 and shading to the left represent?

Back

Front

Translate the phrase: 'Tom can spend no more than 20 dollars.'

Back

Front

What inequality does the number line graph with an open circle at -4 and shading to the left represent?

Back

Front

If 6 > x, what can we conclude about x?

Back

x must be less than 6.