Matrices and Vectors

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

• 4

• 5

• 3

• square root of 5

Tags

CCSS.HSN.VM.A.1

Write in component form.

• <0, 4>

• <8, 2>

• <2, 8>

• <0, 2>

Tags

CCSS.HSN.VM.A.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

Tags

CCSS.HSN.VM.A.1

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

• <-10, 2>

• <4, -5>

• <-6, 10>

• <6, -10>

In practice A of the figure, what is the direction of the resultant displacement?

• 63 degrees, South of East
• 63 degrees, North of West
• 27 degrees, North of West
• 27 degrees, South of West

Tags

CCSS.HSN-VM.B.4A

CCSS.HSN-VM.B.4B

In order to find the x-component of a vector with magnitute 7 m and angle 30° we will use the formula...

• cos (30)

• sin(30)

• 7*sin(30)

• 7*cos(30)

Tags

CCSS.HSN.VM.A.2

• a + 4b

• b - 2a

• -2b - a

• a - 2b

Tags

CCSS.HSN.VM.A.2

Given vector v, find the direction angle.

• Need the value of the magnitude to determine

Tags

CCSS.HSN.VM.A.3

What is the magnitude of the displacement if someone walks 10 km east and then 7 km north?

• 17 km

• 3 km

• 4 km

• 12.2 km

• 13.6

Tags

CCSS.HSN.VM.A.3

find: B*A

• 47     30
  9     5
• 17     15
  42     35
• 10     25
  7     1
• not possible because rows do not match columns

Tags

CCSS.HSN.VM.C.8