Quiz: Unit 4 Lessons 4-6: Matrix Multiplication, determinant

It takes Joe 135 minutes to carve a Jack O' Lantern. It takes Suzy 78 minutes. How many minutes less does it take Suzy?

• 63

• 57

• 213

• 5

Tags

CCSS.3.OA.D.8

Mary gets 268 pieces of candy while Trick or Treating. Billy gets 195 pieces. How many pieces did they get in all?

• 73

• 268

• 463

• 453

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

The human skeleton has 208 bones. The skeleton costume only shows 56. How many bones are not shown?

• 264

• 252

• 59

• 152

Tags

CCSS.3.OA.D.8

Why do ghosts like to ride elevators?

• It lifts their spirits

• It takes them to new heights

• It beats floating

• It takes their breath away

Where would all Werewolves love to live?

• Batton Rouge

• Howlywood

• Mew York

• Pennsylveinia

• $0.50

• $0.52

• $0.54

• $0.56

Tags

CCSS.7.EE.B.3

• $4

• $5

• $6

• $7

Tags

CCSS.6.NS.B.3

If the matrices can be multiplied, what dimension is the product? If not, write undefined.

• ( 2 x 2 )

• ( 6 x 2)

• ( 2 x 6 ) )

• ( 3 x 2 )

Tags

CCSS.HSN.VM.C.8

If the matrices can be multiplied, what dimension is the product? If not, write undefined.

• ( 3 x 1 )

• ( 3 x 2 )

• ( 3 x 3 )

• undefined

Tags

CCSS.HSN.VM.C.11

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