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12.08 Systematic approach for shortest route

Worksheet
Systematic approach for shortest route
1

For each of the following graphs, find the shortest path for the given start and end point and state its length:

a

Start at vertex F and end at vertex E.

b

Start at vertex E and end at vertex B.

c

Start at vertex E and end at vertex B.

d

Start at vertex X and end at vertex V.

e

Start at vertex T and end at vertex Z.

2

Consider the graph which shows the time in hours taken to travel between various country towns:

a

Find the least amount of time needed to travel between towns P and X.

b

State the route that would achieve this by listing the vertices in order.

3

A group is organizing a tour for the elderly in a park, ending with a picnic. The given graph displays the map of the park:

Calculate the path which gives the shortest distance from the start of the park at vertex A, to the picnic area at vertex J.

4

The given map shows all possible routes in Mohamad's town. Mohamad travels from his home to his friend's house on a daily basis.

If Mohamad's house is vertex C, and his friend's house is vertex I, determine the shortest path between the two houses.

5

A grocery store is known for its fast deliveries across the town as shown in the following map:

If the store is at vertex A, and a delivery has to be made to vertex H, determine the shortest path the driver should take.

6

The police department receives a call about a robbery in progress at a grocery store. The given graph shows the map of the town:

If the nearest police car is located at vertex D and the grocery store is at vertex I, determine the shortest route the police should take.

7

A mailman was allocated an area to deliver the mail to. The table represents the mail route and times in minutes between the houses:

a

Draw a graph to represent the information in the table.

b

Find the fastest time to cycle from house A to house E.

c

State the fastest route by listing the vertices in order.

Starting HouseEnding HouseTime
AB11
AF9
AG3
BF5
BC10
CE8
CG6
DE5
DG5
EG7
8

A rock band is planning a tour across several cities. The table represents the routes and distance between the cities at which they will be performing in kilometres:

a

Draw a graph to represent the information in the table.

b

Find the shortest distance for the rock band to travel from city A to city E.

c

State the shortest route by listing the vertices in order.

Starting CityEnding CityDistance
AC9
AF6
BE11
BF5
CD3
CF7
ED5
EF8
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Outcomes

2.4.9

plan routes for practical purposes, accounting for local conditions

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