Understanding Inequalities

Front

How is 'x is greater than or equal to 3' graphically represented?

Back

With a closed circle at 3.

Front

If x is less than -2, how is it represented on a graph?

Back

With an open circle at -2 and shading to the left.

Front

Which symbol means 'less than or equal to'?

Back

<=

Front

What does a closed circle in a graph signify?

Back

The value is included in the set.

Front

How do you graph 'x is greater than -5'?

Back

Open circle at -5, shading right.

Front

What does the symbol '>' represent?

Back

Greater than.

Front

What does the symbol '<' represent?

Back

Less than.

Front

What is the difference between an open circle and a closed circle on a number line?

Back

An open circle means the number is not included; a closed circle means it is included.

Front

How would you represent 'x is less than or equal to 4' on a graph?

Back

Closed circle at 4, shading to the left.

Front

What does shading to the right of a number on a graph indicate?

Back

The values greater than that number.