Vectors!

A vector is a mathematical structure that has both _______ and _______.

• direction, magnitude
• scope, sequence
• meat, potatoes
• scalar, vector

Which are equivalent vectors?

• u and -u

• u and a

• u and v

• u and b

Write in component form.

• <0, 4>

• <8, 2>

• <2, 8>

• <0, 2>

What vector gives the sum of these two vectors?

• 
• 
• 
• 
• 

Find the magnitude of the vector <10, -8>

• 2

• 12.81

• 6

• 18

Find the magnitude of this vector (each square is 1 unit long)

• 4

• 5

• 3

• square root of 5

Given an initial point R ( -12, 4 ) and terminal point S ( 28, -17 ), find the component form of the vector RS.

• 〈14,-13〉

• 〈-14,13〉

• 〈-40,-21〉

• 〈40,-21〉

Find the magnitude of vector AB if the initial point is (-3, 1) and the terminal point is (3, 9).

• 6
• 8.2
• 10
• 10.4

Given u = <3, 7>, find 2u

• <21, 2>

• <6, 26>

• <6, 14>

• 23

Given u = <3, 7> and v =<-5, 4>, find 2v - 3u

• <21, 2>
• <-19, -13>
• <-15, 3>
• 23