AQA D1 2007 January — Question 1

Exam BoardAQA
ModuleD1 (Decision Mathematics 1)
Year2007
SessionJanuary
TopicMinimum Spanning Trees

1 The following network shows the lengths, in miles, of roads connecting nine villages.
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  1. Use Prim's algorithm, starting from \(A\), to find a minimum spanning tree for the network.
  2. Find the length of your minimum spanning tree.
  3. Draw your minimum spanning tree.
  4. State the number of other spanning trees that are of the same length as your answer in part (a).