SOLUTION: if x and y are positive odd integer, where x>y which of the following is equal to x^2 -y^2 A)4y B)2y+2 C)2y+4 D)4y+4

Algebra ->  Problems-with-consecutive-odd-even-integers -> SOLUTION: if x and y are positive odd integer, where x>y which of the following is equal to x^2 -y^2 A)4y B)2y+2 C)2y+4 D)4y+4      Log On


   



Question 1141337: if x and y are positive odd integer, where x>y which of the following is equal to x^2 -y^2
A)4y
B)2y+2
C)2y+4
D)4y+4

Found 2 solutions by Alan3354, josgarithmetic:
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
None of those, necessarily.
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I think the other tutor assumed consecutive odd integers.
That was not specified.

Answer by josgarithmetic(39620) About Me  (Show Source):
You can put this solution on YOUR website!
As simple as testing with an example, corresponding is (D), 4y%2B4.
ONLY IS CERTAIN CASES BUT NOT ALL CASES.

The chosen x and y will only fit one of the choices, (D), if for x and y both odd, x=y+2.