Vectors 6.4-6.5 Review

Write in component form.

• <0, 4>

• <8, 2>

• <2, 8>

• <0, 2>

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

Find the component form of vector AB with initial point A(0, 8) and terminal point B(-9, -3)

• <-9, 5>
• <-9, 11>
• <-9, -11>
• <-9, -5>

If w = <2, -5> and y = <2, 0>, find 2w + y

• <-10, 2>

• <4, -5>

• <-6, 10>

• <6, -10>

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

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

Find the magnitude of the vector <-5, 12>

• 13
• 10.91
• 7
• 17

A car travels 90 meters due north in 15 seconds. Then the car turns around and travels 40 meters due south.  What is the magnitude and direction  of the car's resultant displacement?  

• 40 metres, South
• 50 metres, South
• 50 metres, North
• 40 metres, North 

The _______ of two or more vectors is the sum of the vectors.

• components
• scalar
• resultant
• magnitude

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

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

Find the direction of the vector <-3, -5>.

• 59.03°
• 239.03°
• 210.96°
• 120.96°