# How do you find a=3b given b=<6,3> and c=<-4,8>?

##### 1 Answer

Jan 11, 2017

#### Explanation:

The components of b are both multiplied by the scalar 3

#rArrbar(a)=color(red)(3)((6),(3))#

#=((color(red)(3)xx6),(color(red)(3)xx3))=((18),(9))#