Unit 4 Test Practice

Front

What type of dot should 3 < x have?

Back

Open

Front

Will I need to reverse the inequality symbol for -12y < -24?

Back

Yes

Front

Which inequality does this graph represent if it shows an open dot at 1?

Back

x > 1

Front

What type of dot should x > 3 have?

Back

Open

Front

A student must be at least 15 years old to obtain a driver’s permit. What inequality represents this?

Back

x ≥ 15

Front

What does an open dot on a number line indicate?

Back

The value is not included in the solution set.

Front

What does a closed dot on a number line indicate?

Back

The value is included in the solution set.

Front

If you have the inequality -5x > 10, what do you do to solve for x?

Back

Divide by -5 and reverse the inequality symbol.

Front

What is the solution to the inequality x + 4 < 10?

Back

x < 6

Front

How do you represent 'at most 20' in inequality form?

Back

x ≤ 20