Mary Ann solves the inequality −3x≥12. Justify the steps Mary Ann takes to find the solution set.

Question

Responses

A. Mary Ann divides both sides of the inequality by −3 and changes the inequality symbol to ≤ to get x≤−4.

B. Mary Ann divides both sides of the inequality by −3 to get x≥−4.

C. Mary Ann adds −3 to both sides of the inequality to get x≥9.

D. Mary Ann adds −3 to both sides of the inequality and changes the inequality symbol to ≤ to get x≤9.

Answer 1

B. Mary Ann divides both sides of the inequality by −3 to get x≥−4.