The graph below describes the journey of a train between two cities.
b) DE
1201
c)
S=
a) Work out the
acceleration, in km/h?,
in the first 15 mins.
100
80
b) Work out the distance
between the two cities. $60
Velocity (in km/h)
> 40
c) Work out the average
speed of the train during 20
the journey.
0
9am
11 am
10am
Time
The approximate line of best fit for the given data points, y = −2x − 2, is shown on the graph.which is the residual value when x = –2? a)–2 b)–1 c)1 d)2