SOLUTION: If rstv = 1 and stuv = 0, which of the following must be true? (A) r < 1 (B) s < 1 (C) t > 1/2 (D) u = 0 (E) v = 0

Algebra ->  Inequalities -> SOLUTION: If rstv = 1 and stuv = 0, which of the following must be true? (A) r < 1 (B) s < 1 (C) t > 1/2 (D) u = 0 (E) v = 0       Log On


   

Question 324915: If rstv = 1 and stuv = 0, which of the following must be true?
(A) r < 1 (B) s < 1 (C) t > 1/2 (D) u = 0 (E) v = 0

Answer by JBarnum(2146) About Me  (Show Source):
You can put this solution on YOUR website!
ok the only way r*s*t*v=1 is if r=1, s=1 t=1 and v=1
and if stuv=0 the only letter different is u so u=0 because 1*1*0*1=0