Find the Indicated Cross Product $$\mathbf { v } = - 6 \mathbf { i } - 3 \mathbf { j } + \mathbf { k } , \quad \mathbf { w } = - 3 \mathbf { i } - 5 \mathbf { j } - \mathbf { k }$$

question 155

Multiple Choice

Find the indicated cross product.
- $$\mathbf { v } = - 6 \mathbf { i } - 3 \mathbf { j } + \mathbf { k } , \quad \mathbf { w } = - 3 \mathbf { i } - 5 \mathbf { j } - \mathbf { k }$$
Find $\mathbf { v } \times \mathbf { w }$ .

• A) \(8 \mathbf { i } - 9 \mathbf { j } + 21 \mathbf { k }\)
• B) \(21 \mathbf { i } - 8 \mathbf { j } + 9 \mathbf { k }\)
• C) \(- 8 \mathbf { i } + 9 \mathbf { j } + 3 \mathbf { k }\)
• D) \(- 2 \mathbf { i } - 3 \mathbf { j } + 39 \mathbf { k }\)

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Definitions:

Periodic Inventory Method

An accounting method where inventory is updated and the cost of goods sold (COGS) is calculated at the end of an accounting period, instead of recording inventory transactions as they happen.

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