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Common Core Standard HSN-VM.B.5a Questions

Represent scalar multiplication graphically by scaling vectors and possibly reversing their direction; perform scalar multiplication component-wise, e.g., as c(vx, vy) = (cvx, cvy).

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Let n=-6,-1,m=10,-10. Find 2m-5n.
  1. 10,25
  2. -10,-25
  3. 50,-15
  4. 16,9
Let a=3ˆi-6ˆj,b=-ˆi+3ˆj. Find 3a+2b.
  1. 7ˆi-3ˆj
  2. 2ˆi-3ˆj
  3. 11ˆi+24ˆj
  4. 7ˆi-12ˆj
Grade 11 Vectors CCSS: HSN-VM.B.5, HSN-VM.B.5a
For v=-3,8, which of the following is equal to -3v?
  1. -6,8
  2. -9,8
  3. 9,-24
  4. -27,24
Grade 11 Vectors CCSS: HSN-VM.B.5, HSN-VM.B.5a
If a=-12 and w=6,-1, choose the correct value of a w.
  1. -3,12
  2. 3,1
  3. -3,-1
  4. -32,-12
Grade 11 Vectors CCSS: HSN-VM.B.5, HSN-VM.B.5a
Which of the following is equivalent to 43,-1?
  1. 12,-4
  2. 12,-1
  3. 7,3
  4. 3,-4
Grade 11 Vectors CCSS: HSN-VM.B.5, HSN-VM.B.5a
If u=1,-4, what is the value of -1u ?
  1. 1,-4
  2. 0,-5
  3. 2,-2
  4. -1,4
Grade 11 Vectors CCSS: HSN-VM.B.5, HSN-VM.B.5a
If u=-3,6, what is the value of 5u?
  1. -15,30
  2. 15,-30
  3. 2,11
  4. -8,1
Grade 11 Vectors CCSS: HSN-VM.B.5, HSN-VM.B.5a
If u=5,8, what is the value of 2u?
  1. 3,6
  2. 2.5,4
  3. 10,16
  4. 7,10

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