If (x y) 2 324 and (x y) 2 16, what is the value of xy A) 33 B) 55 C) 77 D) 99 ...

C x y 324 x 2xy y 324 x y 3242xy xy 16 ...

If (x + y) 2 = 324 and (x- y) 2 =16, what is the value of

Question:

If (x + y)² = 324 and (x- y)² =16, what is the value of xy?

A) 33
B) 55
C) 77
D) 99

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Acing The New SAT Math

ISBN: 9780975475355

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Authors: Thomas Hyun

Question Posted: Jul 31, 2023 06:43 AM

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If (x + y) 2 = 324 and (x- y) 2 =16, what is the value of

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