Algebra
GRAPHING
The first step is to label the x-axis and the y-axis. Let the x-axis be time in minutes and
the y-axis be temperature in °F.
The next step is to establish the units of measurement along each axis. The x-axis must
range from 0 to 120, the y-axis from 400 to 500.
The points are then plotted one by one. Figure 2 shows the resulting Cartesian coordinate
graph.
Figure 2 Cartesian Coordinate Graph of
Temperature vs. Time
Example:
The density of water was measured over a range of temperatures. Plot the
following recorded data on a Cartesian coordinate graph.
Temperature (°C)
Density (g/ml)
40°
0.992
50°
0.988
60°
0.983
70°
0.978
80°
0.972
90°
0.965
100°
0.958
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MA-02
