Warm Up Match each inequality to one of the statements.

Inequalities

Example 1: Notice the open hole at the 5. This is because the inequality is greater than 5 but does not include 5. If it included 5, the hole would be filled in.

Example 2: You try! Write the inequality for this number line.

Example 2 Solution Now it is less than/equal to because the dot is filled in.

Solving Inequalities To solve an inequality, pretend the inequality sign is an = sign. The only difference is if you multiply OR divide by a negative number, you reverse the inequality symbol.

Example 3

Solution to Example 3

You try!

Solution

Example 4

Homework Worksheet a-d, 3 a,b,c, 4 a,b, 5 a-d