Basics of Vectors Quiz 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

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 <10, -8>

• 2
• 12.81
• 6
• 18

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

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

Given vector w, find the direction angle.

• -2j+5i

• -2+5j

• -2i+5j

• -2i+0, 0+5j

Given vector v, find the direction angle.

A unit vector is a vector that is parallel to the given vector and has _____________.

• magnitude of 1

• the same direction

• the same size