If x^2+y^2=1, is x+y=1 ? (1) xy=0 (2) y=0 | Free GMAT Practice Question

Free Practice Question

DS · Data Sufficiency

605-655

Algebra

If

x^2+y^2=1

, is

x+y=1

?

(1) xy=0
(2) y=0

Sign in to reveal the correct answer

A

Statement (1) ALONE is sufficient

B

Statement (2) ALONE is sufficient

C

BOTH statements TOGETHER are sufficient

D

EACH statement ALONE is sufficient

E

Statements (1) and (2) TOGETHER are NOT sufficient

Sign in for free to check your answer and unlock the full explanation.

Get detailed analytics, unlock full explanations, and move up difficulty tiers as you practice.

Explanation

Create a free account to reveal the correct answer, see the step-by-step explanation, and start tracking your GMAT progress.

Comments

Sign in to join the discussion

Be the first to share your thoughts and help others understand it better.