Question

Suppose X and Y represent two different school populations where X > Y and X and Y must be greater than 0. Which of the following expressions is the largest? Explain why. Show all work necessary.


X*2 + Y*2
X*2 − Y*2
2(X + Y)
(X + Y)*2

Answer 1

probably the fastest way to solve this is to use numbers
try X = 4 , Y = 3

Answer 2

is the last choice (X + Y ) ^2 ? or (X+Y) times 2

Answer 3

i got it thank you