If \(x = 2t\) and \(y = \dfrac{t}3,\) what is the value of \(x^2 - y^2?\) - The Beat The GMAT Forum

BREAKING: Target Test Prep releases Brand New 2026 On Demand GMAT prep course

If \(x = 2t\) and \(y = \dfrac{t}3,\) what is the value of \(x^2 - y^2?\)

M7MBA: Moderator; Posts: 2058; Joined: Sun Oct 29, 2017 4:24 am; Thanked: 1 times; Followed by:5 members

by M7MBA » Sun Apr 11, 2021 12:45 pm

00:00

If \(x = 2t\) and \(y = \dfrac{t}3,\) what is the value of \(x^2 - y^2?\)

(1) \(t^2 - 3 = 6\)
(2) \(t^3 = -27\)

Answer: D

Source: Official Guide

Source: Beat The GMAT — Data Sufficiency | Sun Apr 11, 2021 12:45 pm

• Page 1 of 1