Test Review Unit 8 Vectors

Which statement describes a vector?

• It has magnitude but no direction
• It has direction but no magnitude
• It has both direction and magnitude
• It has constant magnitude but no
   direction

Tags

CCSS.HSN.VM.A.1

Find the magnitude of the vector <2, -3>.

• √11
• 13
• √-4
• √13

Tags

CCSS.HSN.VM.A.1

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

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

Tags

CCSS.HSN.VM.A.1

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〉

Tags

CCSS.HSN.VM.A.2

Given an initial point A ( 2, 4 ) and terminal point B ( -8, 7 ), find the component form of the vector AB.

• 〈-10,3〉
• 〈-6,3〉
• 〈10,11〉
• 〈-6,-3〉

Tags

CCSS.HSN.VM.A.2

 Determine the direction and magnitude of the vector 〈-11,5〉

• Direction 24.4°
  Vertical 12.1
• Direction65.6°
  Magnitude 12.1
• Direction -24.4°
  Magnitude 12.1
• Direction 155.6°
  Magnitude 12.1

Tags

CCSS.HSN.VM.A.1

Determine the direction and magnitude of the vector 〈7,18〉

• Direction 21.3°
  Magnitude 19.3
• Direction 68.7°
  Magnitude 19.3
• Direction 21.3°
  Magnitude 373
• Direction 68.7°
  Magnitude 373

Tags

CCSS.HSN.VM.A.1

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

• <21, 2>
• <-11, 26>
• <8, 3>
• 23

Tags

CCSS.HSN.VM.B.5

CCSS.HSN.VM.C.11

CCSS.HSN.VM.C.10

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

• 2
• 12.81
• 6
• 18

Tags

CCSS.HSN.VM.A.1

Find the magnitude of the vector <5, 5>

• 0
• 10
• 25
• 7.07

Tags

CCSS.HSN.VM.A.1