GMAT Data Sufficiency Question 37: Parabolas in the coordinate plane

 
The following GMAT data sufficiency question tests your understanding of properties of parabolas in the coordinate plane that are commonly tested on the GMAT.

Question 37:

Given $mn \neq 0$, does the parabola $y=x^2+2mx+n$ intersect the $x-$axis at two distinct points ?

1. (1) $n \lt 0$
2. (2) $m^2 \gt n$

1. Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient.
2. Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient.
3. BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.
4. EACH statement ALONE is sufficient.
5. Statements (1) and (2) TOGETHER are NOT sufficient.