When you multiply or divide both sides on an inequality, the inequality symbol does not change. When do we flip the inequality symbol? The 3rd blank of the code is "A" .

Answer 1

You flip the inequality symbol when you multiply or divide both sides of the inequality by a negative number.

So, in summary: When multiplying or dividing by a negative number, the inequality symbol changes direction.

If it helps, you can remember that when dealing with inequalities, keeping track of the sign is essential!