The Dot Product
1 Find the Dot Product of Two Vectors
-$\mathbf { u } = 14 \mathbf { i } + 5 \mathbf { j }$ and $\mathbf { v } = - 12 \mathbf { i } + 7 \mathbf { j } ;$ Find $\mathbf { u } \cdot \mathbf { v }$.
A) $- 133$
B) $- 203$
C) $- 168$
D) 35

Question

Quizplus · Accepted Answer

The dot product of two vectors $\mathbf{u} = 14\mathbf{i} + 5\mathbf{j}$ and $\mathbf{v} = -12\mathbf{i} + 7\mathbf{j}$ is calculated as $14 \times (-12) + 5 \times 7 = -168 + 35 = -133.$

The Dot Product 1 Find the Dot Product of Two u=14i+5j\mathbf { u } = 14 \mathbf { i } + 5 \mathbf { j }u=14i+5j

The Dot Product
1 Find the Dot Product of Two $\mathbf { u } = 14 \mathbf { i } + 5 \mathbf { j }$