Use the vectors $\mathbf { u } = \langle 2,2 \rangle$ , $\mathbf { v } = \langle - 2,2 \rangle$ to find the indicated quantity.State whether the result is a vector or a scalar. $3 \mathbf { u } \cdot \mathbf { v }$
A) $\langle 0,2 \rangle$ ;vector
B)-2;scalar
C)2;scalar
D) $\langle 4 , - 4 \rangle$ ;vector
E)0;scalar

Question

Use the vectors $\mathbf { u } = \langle 2,2 \rangle$ , $\mathbf { v } = \langle - 2,2 \rangle$ to find the indicated quantity.State whether the result is a vector or a scalar.​ $3 \mathbf { u } \cdot \mathbf { v }$ ​
A) $\langle 0,2 \rangle$ ;vector
B)-2;scalar
C)2;scalar
D) $\langle 4 , - 4 \rangle$ ;vector
E)0;scalar

Quizplus · Accepted Answer

The Answer is E

Use the Vectors u=⟨2,2⟩\mathbf { u } = \langle 2,2 \rangleu=⟨2,2⟩

Use the Vectors $\mathbf { u } = \langle 2,2 \rangle$