What is the dot product of and ?

Answer and explanation

Correct answer: B. -11

  1. Step 1: Recall the definition of the vector dot product: .
  2. Step 2: Calculate each component product for and .
  3. Step 3: Combining the terms produces .
Answer
-11.
Why not the others: -7 is an overestimation arithmetic miscalculation; -2 is an overestimation arithmetic miscalculation; 11 reverses the sign of the scalar dot product.

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