Dot Products and Angles Between Two Vectors

Let u = <-2,-5> and v = <-4,6>. Find the dot product of u and v.

-22

Let u = <-8,1> and v = <3,-8>. Find the dot product of u and v.

-32

Let u = <-2,1> and v = <4,8>. Find the dot product of u and v.

0

Let u = <-8,1> and v = <3,8>. Find the angle between u and v.

103.43°

Let u = <7,-1> and v = <4,8>. Find the dot product of u and v.

20

Let u = <-1,1> and v = <-2,6>. Find the angle between u and v.

26.57°

Let u = <-9,2> and v = <-3,3>. Find the dot product of u and v.

33

Let u = <-2,-5> and v = <2,-6>. Find the angle between u and v.

40.24°

Let u = <3,4> and v = <4,7>. Find the angle between u and v.

7.13°

Let u = <-2,1> and v = <4,8>. Find the angle between u and v.

90°