What is the solution of x − 11x ≤ 30?

Question

A. x ≥ −3

B. x ≤ −3

C. x ≤ 5 over 2

D. x ≤ −1 over 3

I think it's A..

Answer 1

x - 11x = -10x

 

-10x ≤ 30

 

Dividing across an inequality symbol by a negative number forces us to reverse the direction of the inequality symbol

 

x ≥ -3