Writing/Graphing Inequalities

Front

What is an inequality?

Back

An inequality is a mathematical statement that compares two expressions and shows that one is greater than, less than, or equal to the other.

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 graph the inequality n ≤ 0?

Back

You draw a number line, shade to the left of 0, and put a closed circle on 0.

Front

How do you graph the inequality n ≥ 0?

Back

You draw a number line, shade to the right of 0, and put a closed circle on 0.

Front

How do you graph the inequality n < 0?

Back

You draw a number line, shade to the left of 0, and put an open circle on 0.

Front

How do you graph the inequality n > 0?

Back

You draw a number line, shade to the right of 0, and put an open circle on 0.

Front

What inequality represents 'Carlos spent less than $50'?

Back

The inequality is x < 50.

Front

What inequality represents 'I took more than 4,200 steps'?

Back

The inequality is x > 4,200.

Front

What does the inequality r ≥ -6 mean?

Back

It means r is greater than or equal to -6.