Question

Find the dot product of (-3, 5) and (4, 6).

Answer 1

Recall that:

`(a,b)\cdot(c,d)=ac+bd.`

Therefore:

`(-3,5)\cdot(4,6)=-3(4)+5(6).`

Simplifying the above result, you get:

`-12+30=18.`

Answer:

`18.`