SOLUTION: If a, b, c, and f are four nonzero numbers, then all of the following proportions are equivalent EXCEPT (A) a/f = b/c (B) f/c = b/a (C) c/a = f/b (D) a/c = b/f (E) af/bc = l

Algebra.Com
Question 93784: If a, b, c, and f are four nonzero numbers, then all of the following proportions are equivalent EXCEPT
(A) a/f = b/c
(B) f/c = b/a
(C) c/a = f/b
(D) a/c = b/f
(E) af/bc = l/l

Answer by stanbon(75887)   (Show Source): You can put this solution on YOUR website!
Cross-multiply each one to see which are the same.
A is the odd one.
Cheers,
Stan H.

RELATED QUESTIONS

if a, b, c, and f are four nonzero numbers, then all of the following proportions are... (answered by Edwin McCravy)
If w, x, y, and z are four nonzero numbers, then all of the following proportions are... (answered by AnlytcPhil)
what is the domain of the function defined by: f(x)= x+5/ x2- 4x ? And the solutions... (answered by user_dude2008)
Which of the following is a function whose domain and range are all nonzero real numbers? (answered by MathLover1)
a+c/b+d=a-c/b-d and a/b=c/d Show that the given proportions are... (answered by RAY100)
If f is a function such that f(a+b) = f(a) + f(b), for all real numbers a and b, then... (answered by rothauserc)
What is the domain of the function f(x) = x^(1/2) ? a. all real numbers b. all... (answered by tutorcecilia)
What is the domain of the function f(x) = x^(1/2) ? a. all real numbers b. all real (answered by stanbon)
If f(x)=x^2-4/3 and f(a)=7 and f(11)=b, then a+b could be a multiple of which of the... (answered by ikleyn)