dissabte, 25 de setembre de 2010
dijous, 24 de juny de 2010
divendres, 4 de juny de 2010
If y = m x is the equation of a function of proporcionality, what does m mean ?
Try to understand it with this link
This is a linear graph, but it's not a function of proporcionality
divendres, 28 de maig de 2010
Q5.On sports day the first three in the 1 000 m race ran as shown in the graph below.
a) Wich runner, A, B or C, won the race?
b) How long did the winner take?
Which runner kept up a steady speed?
d)What was that speed
In km /h ?
e) Which runner achieved the fastest speed and what was that speed?
Q6. Two cars start a journey a midday(1200) one travels from A to B, and the other from B to A. The distance between A and B is 80 km. The speed of the first car is 48 km/h and the other car B travels at 60 km /h
The graph below shows these journeys