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Is A positive?

This topic has 1 expert reply and 0 member replies

Is A positive?

Post 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?

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GMAT/MBA Expert

Post 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:
http://www.beatthegmat.com/is-a-positive-tricky-quadratic-equation-question-t295111.html

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