The diagram shows the roads connecting four cities.
How many ways are there to travel between cities $W$ and $Y$ by passing through exactly two cities? (Hint: Write a matrix, A, to represent the number of routes between each pair of cities without passing through another city. Then calculate $\mathrm{A}^{2}$ and $\mathrm{A}^{3}$ ).
A) 13
B) 15
C) 16
D) 14

Question

The diagram shows the roads connecting four cities.
 How many ways are there to travel between cities $W$ and $Y$ by passing through exactly two cities? (Hint: Write a matrix, A, to represent the number of routes between each pair of cities without passing through another city. Then calculate $\mathrm{A}^{2}$ and $\mathrm{A}^{3}$ ).
A) 13 
B) 15 
C) 16 
D) 14

Quizplus · Accepted Answer

The Answer of The diagram shows the roads connecting four cities.
 How many ways are there to travel between cities $W$ and $Y$ by passing through exactly two cities? (Hint: Write a matrix, A, to represent the number of routes between each pair of cities without passing through another city. Then calculate $\mathrm{A}^{2}$ and $\mathrm{A}^{3}$ ).
A) 13 
B) 15 
C) 16 
D) 14

The Diagram Shows the Roads Connecting Four Cities WWW And YYY By Passing Through Exactly Two Cities? (Hint: Write a Matrix

The Diagram Shows the Roads Connecting Four Cities $W$ And $Y$ By Passing Through Exactly Two Cities? (Hint: Write a Matrix