How do you evaluate #(u^2- v^2)/(uv)# for u = 4 and v = 2? Algebra Expressions, Equations, and Functions Variable Expressions 1 Answer Shwetank Mauria Apr 24, 2016 #1 1/2# Explanation: In #(u^2-v^2)/(uv)#, if #u=4# and #v=2# #(u^2-v^2)/(uv)=(4^2-2^2)/(4xx2)=(16-4)/(4xx2)=(3cancel12)/(1cancel4xx2)=3/2=1 1/2# Answer link Related questions How do you write the variable expression for: a quotient of 2 and the sum of a number and 3 ? What are variables? What are variable expressions? How do you write variable expressions? How do you evaluate variable expressions? How do you simplify the expression #3x-x+4#? How do you write a quotient of a number and 6 as an expression? How do you evaluate the expression #2x+1# for #x=1#? How do you write a product of a number and 2 as an expression? How do you write 5 less than 2 times a number as a variable expression? See all questions in Variable Expressions Impact of this question 3067 views around the world You can reuse this answer Creative Commons License