Answer: reverses.
- A reverses
- B stays the same
- C becomes an equals sign
- D disappears
Correct answer: A. reverses
Explanation: Multiplying or dividing by a negative number reverses the direction of the inequality.
One-variable inequalities use open (excluded) or closed (included) circles on a number line; two-variable inequalities use a dashed (strict) or solid (non-strict) boundary line, with the solution being the entire shaded half-plane on one side of it.
Concept context
Solving linear inequalities in one and two variables algebraically and graphically, and representing solutions on a number line or as a region in a plane.