Multiple Choice
Consider the function V(x, y) = 7 + xy + 5
, where is a real number.Which of these statements is true?
A) V(x, y) is negative definite, for every nonzero real number .
B) V(x, y) is positive definite, for every nonzero real number .
C) V(x, y) is negative definite, for every real number for which > 140.
D) V(x, y) is positive definite, for every real number for which < 140.
Correct Answer:

Verified
Correct Answer:
Verified
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