vectors basics

What vector gives the sum of these two vectors?

• 
• 
• 
• 
• 

What is the magnitude of the vector?

• 2.24

• 10

• 3.9

• 15

• 5

Which vector has a greater magnitude?

• Left

• Right

• Neither

Vector is a quantity with:

• magnitude and direction

• magnitude

• direction

• none of the above

Write in component form.

• <0, 4>

• <8, 2>

• <2, 8>

• <0, 2>

What is the magnitude of the resultant vector, r?

• 3

• 4

• 5

• 7

Bob walks 2 miles north and turns west and walks 2 miles. What is Bob's general displacement?

• 4 miles northeast

• 4 miles northeast

• 3 miles northwest

• 3 miles southeast

which shows the correct point if x<0, y<0 and z<0

• 
• 
• 
• 

Vector a = 2i + 3j - 5k. What is the value of 3a?

• 3i + 3j - 3k

• 5i + 6j - 8k

• 6i + 9j -15k

• 6i + 6j - 15k

Find the magnitude of
vector AJ with A(0,-8,-7) and J(9,-2,-5). 
Write your answer in simplified form.

• 10
• 11
• 12
• 13