Multiple Choice
Solve using elimination.
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A) x = 6, y = 7; x = -6, y = 7; x = 6, y = -7; x = -6, y = -7 or (6, 7) , (-6, 7) , (6, -7) , (-6, -7)
B) x = 6, y = 7; x = 7, y = 6; x = -6, y = -7; x = -7, y = -6 or (6, 7) , (7, -6) , (-6, -7) , (-7, -6)
C) x = 6, y = -7; x = 6, y = 7 or (6, -7) , (6, 7)
D) x = -6, y = -7; x = -7, y = -6 or (-6, -7) , (-7, -6)
Correct Answer:

Verified
Correct Answer:
Verified
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