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## Is A positive?

This topic has 1 expert reply and 0 member replies

### Top Member

Vincen Legendary Member
Joined
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Posted:
560 messages
6

#### Is A positive?

Fri Sep 15, 2017 6:42 pm
Is A positive?

(1) x^2-2x+A is positive for all x
(2) Ax^2+1 is positive for all x

The OA is A.

What is the best way to determine whether the statement 1 is sufficient?

### GMAT/MBA Expert

GMATGuruNY GMAT Instructor
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Posted:
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Fri Sep 15, 2017 6:57 pm
Vincen wrote:
Is A positive?

(1) x^2-2x+A is positive for all x
(2) Ax^2+1 is positive for all x
Check my first and third posts here:

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