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Find V ∙ U

Question 55

Multiple Choice

Find v ∙ u.
-v = 3i - 7j and u = -3 Find v ∙ u. -v = 3i - 7j and u = -3 i + 7j A) ( 3 - 3 ) i + 0j B) -49 - 9 C) -49 i - 9j D) -49 + 9 i + 7j


A) ( 3 - 3 Find v ∙ u. -v = 3i - 7j and u = -3 i + 7j A) ( 3 - 3 ) i + 0j B) -49 - 9 C) -49 i - 9j D) -49 + 9 ) i + 0j
B) -49 - 9 Find v ∙ u. -v = 3i - 7j and u = -3 i + 7j A) ( 3 - 3 ) i + 0j B) -49 - 9 C) -49 i - 9j D) -49 + 9
C) -49 Find v ∙ u. -v = 3i - 7j and u = -3 i + 7j A) ( 3 - 3 ) i + 0j B) -49 - 9 C) -49 i - 9j D) -49 + 9 i - 9j
D) -49 Find v ∙ u. -v = 3i - 7j and u = -3 i + 7j A) ( 3 - 3 ) i + 0j B) -49 - 9 C) -49 i - 9j D) -49 + 9 + 9

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