Answer:
a. <-28, -8>
Step-by-step explanation:
Given
u = <-7, -2>
To find
4u
In order to find the value of 4u, each element of the ordered pair of the vector will be multiplied with 4
So,
4<-7, -2> = <4 * -7, 4* -2>
4u = <-28, -8>
Therefore,
4u = <-28, -8>
Option a. <-28, -8> is the correct answer ..
