The diagram shows the roads connecting four cities.
How many ways are there to travel between cities $\mathrm{W}$ and $\mathrm{Z}$ by passing through exactly one city? (Hint: Write a matrix, A, to represent the number of routes between each pair of cities without passing through another city. Then calculate $\mathrm{A}^{2}$ ).
A) 1
B) 4
C) 5
D) 3

Question

The diagram shows the roads connecting four cities.
 How many ways are there to travel between cities $\mathrm{W}$ and $\mathrm{Z}$ by passing through exactly one city? (Hint: Write a matrix, A, to represent the number of routes between each pair of cities without passing through another city. Then calculate $\mathrm{A}^{2}$ ).
A) 1 
B) 4 
C) 5 
D) 3

Quizplus · Accepted Answer

The Answer of The diagram shows the roads connecting four cities.
 How many ways are there to travel between cities $\mathrm{W}$ and $\mathrm{Z}$ by passing through exactly one city? (Hint: Write a matrix, A, to represent the number of routes between each pair of cities without passing through another city. Then calculate $\mathrm{A}^{2}$ ).
A) 1 
B) 4 
C) 5 
D) 3

The Diagram Shows the Roads Connecting Four Cities W\mathrm{W}W And Z\mathrm{Z}Z By Passing Through Exactly One City? (Hint: Write a Matrix

The Diagram Shows the Roads Connecting Four Cities $\mathrm{W}$ And $\mathrm{Z}$ By Passing Through Exactly One City? (Hint: Write a Matrix