Year 11 Matrices Revision

The order of Matrix A is

• 2

• 3

• 6

• 2x3

• 3x2

The semester 1 results in English, Maths and Sport for three students are shown in matrix form. Ben’s result for Maths was:

• 72

• 76

• 79

• 87

• 90

Tags

CCSS.HSN.VM.C.6

For three towns, G, H and I the matrix gives the number of roads directly connecting one town to another. The total number of roads directly connecting town H to other towns is:

• 0

• 1

• 2

• 3

• 4

The matrix A - B is

• 
• 
• 
• 

Tags

CCSS.HSN.VM.C.8

The matrix 2A - B is

• 
• 
• 
• 

Matrix multiplication is not defined for:

• SU

• US

• RU

• UR

• TR

Tags

CCSS.HSN.VM.C.8

The order of the product TU is:

• 1x2

• 2x2

• 2x1

• 3x2

• 3x1

Tags

CCSS.HSN.VM.C.11

The matrix multiplication TU gives the matrix

• 
• 
• 
• 

The matrix below shows when communication exists between people in the group Abe, Bob, Chloe and Diana. Communication between two people is shown by a 1 and no communication by a 0. How many people does Diana communicate with?

• 0

• 1

• 2

• 3

• 4

The inverse of Matrix B is:

• 
• 
• 
• 

Tags

CCSS.HSA.REI.C.9