Mathsercise-C Graphs 2 Ready? Here we go! Graph Prints You will need to print out the graphs to work on – Click Here!

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Presentation transcript:

Mathsercise-C Graphs 2 Ready? Here we go! Graph Prints You will need to print out the graphs to work on – Click Here!

1 Graphs Distance in KM from Mo’s House Time in Minutes This is part of a travel graph of Mo’s journey from his house to the Sports Hall and Back i) Work out Mo’s speed for the first 30 minutes of his journey. ii)Mo spent 10 Mins at the Sports Hall and then travelled home at 60km/h. Complete the travel graph Answer Question 2 i) Speed = distance/time The distance is 26km, but the time is 0.5 hours (30 minutes), So the speed is… 26/0.5 = 52 km/h ii) Time = distance/speed Time = 26/60 hours Because the speed is 60km per hour, this is 1km per minute! So the time taken will be.. 26 minutes!

2 Graphs pm3pm2pm4pm6pm5pm Distance from home in KM Time A girl left home at 12 noon to go for a cycle ride. The graph shows part of the journey. i) At 12.30pm, the girl stopped for a rest – for how long? ii)The girl stopped for another hour at 2pm, then she cycled home and it took her 1hr 30 mins. Complete the travel graph. Answer The horizontal line means that the girl has stopped. How long is the line? 45 minutes! Question 3

Complete the table of values for y = x 3 + x – 2, and plot the graph 3 Graphs x y Answer Question 4 Substitute values of x into y = x 3 + x - 2, and complete the table, and then plot the graph xxx x x Grade B Question!

Complete the table of values for y = ½x 3 + 2x – 5, and plot the graph 4 Graphs x y Answer Start Substitute values of x into y = ½x 3 + 2x – 5, and complete the table, and then plot the graph x xxx Grade B Question!