Vector Algebra

Given A(1,2,4) and B( 0,3,-2) find [AB]

• (.5,2.5,1)

• √38

• (1,5,2)

Given A(1,2,4) and B( 0,3,-2) find AB

• (.5,2.5,1)

• √38

• (1,5,2)

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

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

Tags

CCSS.HSN.VM.B.4

CCSS.HSN.VM.B.5

CCSS.HSN.VM.C.10

CCSS.HSN.VM.C.11

A(1,1,3) and B( 0,2,8) find position vector AB

• 1

  -1

  -5

• -1

  1

  5

Given vectors PQ= 3i - 2j and RQ= -2i+3j

find PR

• -5i+5j

• -5i-5j

• 5i-5j

• 5i+5j

Is AB a unit vector?

AB = < 1,.5,.5>

• yes

• no