Find the dot product v · w.
-$\mathbf { v } = - 15 \mathrm { i } + 5 \mathbf { j } , \quad \mathbf { w } = 4 \mathbf { i } - 4 \mathrm { j }$
A) $- 60$
B) $- 40$
C) $- 20$
D) $- 80$

Question

Quizplus · Accepted Answer

The Answer of Find the dot product v · w.
-$\mathbf { v } = - 15 \mathrm { i } + 5 \mathbf { j } , \quad \mathbf { w } = 4 \mathbf { i } - 4 \mathrm { j }$
A) $- 60$
B) $- 40$
C) $- 20$
D) $- 80$

Find the Dot Product V · W v=−15i+5j,w=4i−4j\mathbf { v } = - 15 \mathrm { i } + 5 \mathbf { j } , \quad \mathbf { w } = 4 \mathbf { i } - 4 \mathrm { j }v=−15i+5j,w=4i−4j

Find the Dot Product V · W $\mathbf { v } = - 15 \mathrm { i } + 5 \mathbf { j } , \quad \mathbf { w } = 4 \mathbf { i } - 4 \mathrm { j }$