Need help
Given u = ⟨root3, -1⟩ and v = ⟨3, –4⟩, what is u · v?

3 + 4

Step-by-step explanation:

If u = < x₁, y₁ >  and v = <x₂ , y₂ > , then

u • v = x₁x₂ + y₁y₂

Given

u = < , - 1 > and v = < 3, - 4 >, then

u • v = 3 + (- 1)(- 4) = 3 + 4

explanation:

step-by-step explanation:

use distributive property on all like terms and change your signs if you have a double negative or if you have positive/negative