Vectors & Matrices TEST

Given u = <3, 7>, find 2u

• <21, 2>

• <6, 26>

• <6, 14>

• 23

Tags

CCSS.HSN-VM.B.5A

CCSS.HSN-VM.B.5B

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

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

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

• <-10, 2>

• <4, -5>

• <-6, 10>

• <6, -10>

Which are equivalent vectors?

• u and -u

• u and a

• u and v

• u and b

Tags

CCSS.HSN.VM.A.1

If vector a= (4, -5) and vector b= (-7, 4) Find a+b

• (3, 9)

• (-3, -1)

• (11, 1)

• (-3, -9)

Tags

CCSS.HSN-VM.B.4A

CCSS.HSN-VM.B.4B

If vector a= (4, -5) and vector b= (-7, 4) Find a-b

• (-11, -9)

• (11, 9)

• (11, -9)

• (-3, -1)

Tags

CCSS.HSN-VM.B.4C

What are the dimensions of this matrix?

• 2 x 3
• 3 x 2
• 6 x 1
• 1 x 6

Add the matrices.

• 11  8

  -4  2

• 3  2

  -6  -6

• -3  2

  -4  -6

• 10  8

  -6  2

Tags

CCSS.HSN.VM.C.8

In Matrix R (pictured) what number is in the second row, third column?

• 8

• 9.01

• 6

• 1