Vector Revision

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

Which are equivalent vectors?

• u and -u
• u and a
• u and v
• u and b

Tags

CCSS.HSN.VM.A.1

If y = <2, 0> and z = <-1, -4>, find 3y - 2z

• <5, -8>
• <4, 8>
• <8, 8>
• <-8, -8>

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

• <-10, 2>
• <4, -5>
• <-6, 10>
• <6, -10>

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

• -9i + 5j
• -9i - 11j
• <-9, -11>
• <-9, 5>

Find the direction (θ) for vector v if v = (-2, 7). Round to three decimals.

• -74.054^o
• 105.945^o
• -15.945^o
• 164.055^o

Find the component form of the vector. Round to three decimals.

• <16.116, 7.798>
• <16.298, 7.335>
• <16.892, 7.530>
• <16.314, 7.607>

What is the x component of the vector given in the diagram?

• 77N
• 92N
• 120N
• 60N

What is the y component of the vector given in the diagram?

• 77N
• 92N
• 120N
• 60N