Question: Given: Q = 2x 2 + 16xy - 8y 2 , i. Write Q in its quadratic form. ii. Is Q positive or negative definite?

Given: Q = 2x2 + 16xy - 8y2 ,

i. Write Q in its quadratic form.

ii. Is Q positive or negative definite? (or neither)

iii. When subject to constraint 2x - 2y = 0, is Q positive or negative definite? (or neither)

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