Reading Time: < 1 minute
Last Updated on May 5, 2023
GMAT OFFICIAL GUIDE PS
Solution:
Since we know that m^-1 = -1/3 and m^-2 = (m^-1)^2, then m^-2 = (-1/3)^2 = 1/9.
Answer: D
If m⁻¹ = -⅓…
May 21, 2015
About The Author
Jeff
Jeffrey Miller is the head GMAT instructor for Target Test Prep. Jeff has more than fourteen years of experience in the business of helping students with low GMAT scores hurdle the seemingly impossible and achieve the scores they need to get into the top 20 business school programs in the world, including HBS, Stanford, Wharton, and Columbia. Jeff has cultivated many successful business school graduates through his GMAT instruction, and will be a pivotal resource for many more to follow.