SOLUTION: If 0 < st < 1, which of the following can be true? A. s < -1 and t > 0 B. s < -1 and t < -1 C. s > -1 and t < -1 D. s > 1 and t < -1 E. s > 1 and t > 1

Algebra ->  Inequalities -> SOLUTION: If 0 < st < 1, which of the following can be true? A. s < -1 and t > 0 B. s < -1 and t < -1 C. s > -1 and t < -1 D. s > 1 and t < -1 E. s > 1 and t > 1      Log On


   



Question 324634: If 0 < st < 1, which of the following can be true?
A. s < -1 and t > 0
B. s < -1 and t < -1
C. s > -1 and t < -1
D. s > 1 and t < -1
E. s > 1 and t > 1

Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
If 0 < st < 1, which of the following can be true?
A. s < -1 and t > 0
Can't be true, st%3C0
.
.
.
B. s < -1 and t < -1
Can't be true, st%3E1
.
.
.
C. s > -1 and t < -1
Can be true, only need 1 example, s=-1%2F2, t=1%2F2, st=1%2F4
.
.
.
D. s > 1 and t < -1
Can't be true, st%3C0
.
.
.
E. s > 1 and t > 1
Can't be true, st%3E1
.
.
.
Looks like C) is the only answer.