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Matrices, GEN2 2024 VCAA 10

To access the southern end of the construction site, Vince must enter a security code consisting of five numbers.

The security code is represented by the row matrix .

The element in row and column of is .

The elements of are determined by the rule  .

  1. Complete the following matrix showing the five numbers in the security code.   (1 mark)

To access the northern end of the construction site, Vince enters a different security code, consisting of eight numbers.

This security code is represented by the row matrix .

The element in row and column of is .

The elements of are also determined by the rule  .

  1. What is the last number in this security code to access the northern end of the construction site?  (1 mark)

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a.    

b.    

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a.    
   

 

b.   

Mean mark (a) 54%.
♦ Mean mark (b) 50%

Matrices, GEN1 2023 VCAA 25 MC

The daily maximum temperature at a regional town for two weeks is displayed in the table below.

 This information can also be represented by matrix , shown below.

Element indicates that

  1. the temperature was 29 °C on Monday in week 2.
  2. the temperature was 17 °C on Tuesday in week 1.
  3. the lowest temperature for these two weeks was 17 °C.
  4. the highest temperature for these two weeks was 29 °C.
  5. week 2 had a higher average maximum temperature than week 1.
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MATRICES, FUR1-NHT 2019 VCAA 1 MC

The number of individual points scored by Rhianna (), Suzy (), Tina (), Ursula () and Vicki () in five basketball matches is shown in matrix below.
 


 

Who scored the highest number of points and in which match?

  1. Suzy in match 
  2. Tina in match 
  3. Vicki in match 
  4. Ursula in match 
  5. Rhianna in match 
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