t and x are integers, what's the value of t?
(1) x ^ 2 / t ^ 2 = 4 / 9
(2) x> 0 and t> 0
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Inequality
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colakumarfanta
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IMO C
s1) x can be + or-2 and t can be +or-3
s2) nothing
combine
t=3
s1) x can be + or-2 and t can be +or-3
s2) nothing
combine
t=3
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i think its actually E
If you consider (2), its clear t>0 implies INSUFF
Consider (1):
this implies the x/t = +2/3 or -2/3. INSUFF
Consider BOTH:
Note that x/t could be say 6/9 which reduces to 2/3. so we still dont know if y = 9 or 6. we just know x/y = 2/3.
If you consider (2), its clear t>0 implies INSUFF
Consider (1):
this implies the x/t = +2/3 or -2/3. INSUFF
Consider BOTH:
Note that x/t could be say 6/9 which reduces to 2/3. so we still dont know if y = 9 or 6. we just know x/y = 2/3.
