# How do you find the inner product and state whether the vectors are perpendicular given <8,6>*<-2,-3>?

##### 1 Answer
Dec 20, 2016

The answer is $= - 34$

#### Explanation:

The inner or dot product of 2 vectors is

veca.vecb=〈a,b〉.〈c,d〉=(ac+bd)

If the dot product $= 0$, then, the vectors are perpendicular

The dot product is

=〈8,6〉.〈-2,-3〉=(-16-18)=-34#

The vectors are not perpendicular