SOLUTION: What is the value of the expression 2x^2y / 4xy when x = 2 and y = 1? a) 1 b) 2 c) 4 d) 3

Algebra ->  Rational-functions -> SOLUTION: What is the value of the expression 2x^2y / 4xy when x = 2 and y = 1? a) 1 b) 2 c) 4 d) 3      Log On


   



Question 317794: What is the value of the expression 2x^2y / 4xy when x = 2 and y = 1?
a) 1
b) 2
c) 4
d) 3

Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
%282x%5E2y%29%2F%284xy%29 Start with the given expression.


%282%282%29%5E2%281%29%29%2F%284%282%29%281%29%29 Plug in x=2 and y=1


%282%284%29%281%29%29%2F%284%282%29%281%29%29 Square 2 to get 4.


8%2F8 Multiply


1 Reduce.


So %282x%5E2y%29%2F%284xy%29=1 when x=2 and y=1