Writing Inequalities from a Number Line

Front

What symbol is used for an open circle when graphing inequalities?

Back

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Front

What inequality does the number line show if it has an open circle at -4 and a line extending to the right?

Back

Front

What inequality does the number line show if it has a closed circle at 1 and a line extending to the right?

Back

Front

What inequality does the number line show if it has an open circle at 6 and a line extending to the left?

Back

Front

What inequality does the number line show if it has an open circle at 4 and a line extending to the left?

Back

Front

What does a closed circle on a number line indicate?

Back

The value is included in the inequality.

Front

What does an open circle on a number line indicate?

Back

The value is not included in the inequality.

Front

How do you represent 'x is less than or equal to 3' on a number line?

Back

Closed circle at 3 with a line extending to the left.

Front

How do you represent 'x is greater than 2' on a number line?

Back

Open circle at 2 with a line extending to the right.

Front

What is the difference between '<' and '≤'?

Back

'<' means the value is not included; '≤' means the value is included.