**Inequalities I**

When solving inequalities, keep the following facts in mind:

if

if

or

**Ex 1** Solve the inequality .

**Sol** Subtracting 1 from each term gives , and then dividing by 3
gives . Therefore the solution is given by .

**Ex 2** Solve the inequality .

**Sol** Writing the inequality without absolute values gives , and
adding 4 to every term gives . Therefore is the solution.

**Pr A** Solve the inequality
.

**Pr B** Solve the inequality
.

**Pr C** Solve the double inequality
.

**Pr D** Solve the double inequality
.

**Pr 1** Solve the inequality .

**Pr 2** Solve the inequality .

**Pr 3** Solve the inequality .

**Pr 4** Solve the inequality .

**Pr 5** Solve the inequality .

**Pr 6** Solve the inequality .

**Pr 7** Solve the inequality .

Go to Solutions.

Return to Precalculus Home Page.

Lawrence Marx 2002-07-12