INEQUALITIES PRETEST

Front

What is the symbol for 'less than or equal to'?

Back

≤

Front

What is the symbol for 'greater than'?

Back

>

Front

When graphing inequalities, what type of dot is used for 'less than' or 'greater than'?

Back

Open dot.

Front

When graphing inequalities, what type of dot is used for 'less than or equal to' or 'greater than or equal to'?

Back

Closed dot.

Front

What does the inequality 11 ≤ a represent?

Back

a is greater than or equal to 11.

Front

How do you solve the inequality -7 + 10z > -27?

Back

Add 7 to both sides to get 10z > -20, then divide by 10 to find z > -2.

Front

What is the difference between 'less than' and 'less than or equal to'?

Back

'Less than' (<) does not include the endpoint, while 'less than or equal to' (≤) includes the endpoint.

Front

What does the inequality z > -2 indicate about the value of z?

Back

z can be any number greater than -2.

Front

What is the graphical representation of the inequality a < 5?

Back

A line extending to the left from 5 with an open dot at 5.

Front

What is the graphical representation of the inequality a ≥ 3?

Back

A line extending to the right from 3 with a closed dot at 3.