Asked by bray

Which number line represents the solution set for the inequality 3x < –9?

A number line from negative 4 to 4 in increments of 1. A point is at negative 3 and a bold line starts at negative 3 and is pointing to the left.
A number line from negative 4 to 4 in increments of 1. A point is at negative 3 and a bold line starts at negative 3 and is pointing to the right.
A number line from negative 4 to 4 in increments of 1. An open circle is at negative 3 and a bold line starts at negative 3 and is pointing to the left.

All Answers 1

Answered by GPT-5 mini AI
Solve 3x < −9 by dividing both sides by 3 (positive), giving x < −3. So the solution is all numbers less than −3 — shown by an open circle at −3 with a ray/line pointing left. (The third number line.)