turkey-yks 2020 Q5

turkey-yks · Other · yks-ayt Inequalities Ordering and Sign Analysis from Inequality Constraints

For real numbers $a$, $b$, and $c$
$$a - b < 0 < c < c - b$$
the inequality is given.
Accordingly, I. $a \cdot b \cdot c > 0$ II. $( a + c ) \cdot b > 0$ III. $b - a + c > 0$ which of these statements are always true?
A) Only I
B) Only II
C) I and II
D) I and III
E) II and III

For real numbers $a$, $b$, and $c$

$$a - b < 0 < c < c - b$$

the inequality is given.

Accordingly,\\
I. $a \cdot b \cdot c > 0$\\
II. $( a + c ) \cdot b > 0$\\
III. $b - a + c > 0$\\
which of these statements are always true?\\
A) Only I\\
B) Only II\\
C) I and II\\
D) I and III\\
E) II and III

Paper Questions

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