laurencathbarlow laurencathbarlow
  • 23-12-2019
  • Mathematics
contestada

Find vector c if c=a+b (view image)
A. 7,6
B. -7,2
C. 0,-5
D. -5, 0

Find vector c if cab view image A 76 B 72 C 05 D 5 0 class=

Respuesta :

elcharly64
elcharly64 elcharly64
  • 29-12-2019

Answer:

[tex]\vec c=<-7,2>[/tex]

Option B

Step-by-step explanation:

Sum of vectors in [tex]\mathbb{R}^2[/tex]

Given two vectors [tex]\vec a=<x,y>[/tex] and [tex]\vec b=<w,z>[/tex]. The sum of both vectors is:

[tex]\vec a+\vec b =<x+w,y+z>[/tex]

The vectors in the figure are

[tex]\vec a=<-3,4>[/tex]

[tex]\vec b=<-4,-2>[/tex]

The sum is

[tex]\vec c=\vec a+\vec b =<-3-4,4-2>[/tex]

[tex]\vec c=<-7,2>[/tex]

Option B

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