Scalar and Vector Products

Find the scalar product of the given vectors

• sqrt 13

• 13

• 8

• 7

Find the angle between the two vectors (to the nearest degree)

• 155

• 25

• 32

• 75

What is the resultant of these two vectors?

• +17 m

• +3 m

• -17 m

• -3 m

u=<-6,-8> , v=<2,5> . Find Find 3u+4v

• <10,4>

• <-10,-4>

• <-18,24>

• <-26,-44>

Vector a = <3, -4>. What is the value of 3a?

• <6, -1>

• <9, 12>

• <9, -12>

• <-6, 1>

Find the dot product of <1, -2> and <3, 2>.

• 1

• <3, -4>

• <4, 0>

• -1

Find the angle between v and w

• 21.8 degrees

• 111.8 degrees

• 68.2 degrees

Find the dot product of the given vectors:

• 92

• 0

• -92

• none of the above

A quantity that needs both magnitude and direction to be fully described.

• Vector

• Scalar