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SSSSS [86.1K]
3 years ago
10

Suppose X and Y represent two different school populations where X > Y and X and Y must be greater than 0. Which of the follo

wing expressions is the largest? Explain why. Show all work necessary.
A: x^2+y^2
B: x^2-y^2
C: 2(x+y)
D: (x+y)^2
Mathematics
2 answers:
Stells [14]3 years ago
7 0

Answer:(X+Y)²

X²+Y² would be greater than X²-Y² since addition gives a greater result than subtraction.

X²+Y² would be greater than 2(X+Y); this is because 2(X+Y) = 2X+2Y, which will be less than X²+Y², since X>Y.

(X+Y)² = (X+Y)(X+Y). This can be simplified using the distributive property:

X(X)+X(Y)+Y(X)+Y(Y) = X²+XY+YX+Y² = X²+2XY+Y². This is greater than X²+Y².

shtirl [24]3 years ago
6 0
What is the quotient of|x+3x-4x-121-+5x+ 6l2
x+2
2
8
x+8
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