Mathsercise-C Graphs 2 You will need to print out the graphs to work on – Click Here! Ready? Here we go! Graph Prints
30 28 26 Distance in KM from Mo’s House 24 22 20 18 16 14 12 ii) Time = distance/speed Time = 26/60 hours 10 Because the speed is 60 km 8 per hour, this is 1 km per minute! 6 So the time taken will be. . 4 26 minutes! 2 0 5 10 15 20 25 30 35 40 45 50 Time in Minutes Answer 55 This is part of a travel graph of Mo’s i) Speed = distance/time The distance is 26 km, buthis journey from the time is 0. 5 hours (30 house to the Sports minutes), So Hall andis… the speed Back 26/0. 5 = 52 km/h 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 60 km/h. Complete the travel graph 60 65 70 75 80 Question Graphs 2 2 1
30 The horizontal line means that the girl has stopped. How long is the line? 28 26 24 Distance from home in KM A girl left home at 12 noon to go for a cycle ride. The graph shows part of the journey. 22 20 i) At 12. 30 pm, the girl stopped for a rest – for how long? ii)The girl stopped for another hour at 2 pm, then she cycled home and it took her 1 hr 30 mins. Complete the travel graph. 18 16 14 12 10 8 6 45 minutes! 4 2 12 1 pm 2 pm 3 pm Time Answer 4 pm 5 pm 6 pm 70 75 80 Question 3 Graphs 2 2
Complete the table of values for y = x 3 + x – 2, and plot the graph x -2 y -12 -4 x x -1 0 1 2 -2 x x 0 8 x 12 Question 4 10 8 6 4 2 -4 -3 -2 -1 -2 1 2 3 -4 -6 -8 -10 -12 Answer Grade B Question! Substitute values of x into y = x 3 + x 2, and complete the table, and then plot the graph Graphs 2 3
Complete the table of values for y = ½x 3 + 2 x – 5, and plot the graph x -2 y -13 -7. 5 -5 -2. 5 x x 3 0 -1 1 2 12 10 Start 8 6 4 2 -4 -3 -2 -1 -2 -4 -6 -8 1 2 3 Substitute values of x into y = ½x 3 + 2 x – 5, and complete the table, and then plot the graph -10 -12 Answer Grade B Question! Graphs 2 4