Visual Guide to Drawing Line Graphs with Data
Learn how to create line graphs step by step using provided data sets, including temperature over time and weight loss on a diet. Understand the process of plotting points, connecting them, adding axes labels, and scaling for accurate representation. Follow along with detailed instructions and visual aids to enhance your graph-drawing skills.
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Presentation Transcript
Using the following data we will show how to draw a line graph. Time (s) Temperature (oC) 0 10 -5 20 0 30 10 40 12 50 15 60 23 -10 It is normal to place the variable quantity, in this case the temperature, on the y-axis. Notice that the temperature ranges from -10 oC to 23 oC, this means that we will have to draw the y-axis to include negative values
Temperature/Time Graph 25 The first co-ordinate is at zero seconds and the temperature is -10oC (0,-10), let s mark it with a cross. 10,-5, again we will mark it with a cross. data, and draw a line to connect the points Lastly, add a title 20 The second co-ordinate is Now repeat for all the other Now you try an example Temperature (oC) 15 As we have seen previously, we first need to draw vertical and horizontal axes, and insert the scales, in this case there are negative quantities, we therefore need to extend the y-axis below the line of the x-axis 10 5 0 60 10 20 30 40 50 Next we add the x and y axes labels Time (s) -5 -10 Time (s) Temperature (oC) 0 10 -5 20 0 30 10 40 12 50 15 60 23 -10
Draw a line graph of the following data showing how much weight a person lost on a diet Month 1 2 2 3 4 5 .5 6 .8 7 1 8 9 10 0.2 Weight loss (kg) 1.7 0.75 1.2 2.2 1.8
