Question

Which graph shows the solution of the inequality?

-x/2 is greater than or equal to 8
A.http://static.k12.com/calms_media/media/1402500_1403000/1402858/1/48faf3b9963662bd3224395b080927963575e6f4/MS_PA_130528_200028.jpg


B.http://static.k12.com/calms_media/media/1402500_1403000/1402859/1/53cffa477367efa346f992392408bdab01008d8d/MS_PA_130528_200029.jpg


C. http://static.k12.com/calms_media/media/1402500_1403000/1402859/1/53cffa477367efa346f992392408bdab01008d8d/MS_PA_130528_200029.jpg

D. http://static.k12.com/calms_media/media/1402500_1403000/1402864/1/48609b00488b89b8

Answer 1

\(-\dfrac{x}{2} \ge 8\)

Multiply -2 to both sides of the equation:

\(-x \ge -16\)

Multiply -1 to both sides of the equation:

\(x \le 16\)

Remember to change the sign when dividing by a negative number.

Answer 2

Options B and C are the same..and I can't see option D.