Find the Dot Product for the Pair of Vectors $7 \mathbf { i } - 2 \mathbf { j } , 8 \mathbf { i } + \mathbf { j }$

question 137

Multiple Choice

Find the dot product for the pair of vectors.
- $7 \mathbf { i } - 2 \mathbf { j } , 8 \mathbf { i } + \mathbf { j }$

• A) 58
• B) \(- 9\)
• C) 0
• D) 54

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