turkey-yks 2012 Q12

turkey-yks · Other · lys1-math Inequalities Identify Always-True Inequality from Options
Let x and y be real numbers with $-1 < y < 0 < x$. Which of the following statements are always true?
I. $x + y > 0$ II. $x - y > 1$ III. $x \cdot ( y + 1 ) > 0$
A) Only I
B) Only III
C) I and II
D) I and III
E) II and III
Let x and y be real numbers with $-1 < y < 0 < x$. Which of the following statements are always true?

I. $x + y > 0$\\
II. $x - y > 1$\\
III. $x \cdot ( y + 1 ) > 0$

A) Only I\\
B) Only III\\
C) I and II\\
D) I and III\\
E) II and III