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It represents, approximately, a linear relationship with a negative gradient.
an exponential function flipped over the line y=x
The best fit line is basically the average of a graph; it represents where, when, etc. the majority of the event occurred.
Bar graph
Distance and time
Line Graph
a bar graph is best used for comparing amounts, a line graph best represents a steadily increasing value. For example prices of a shirt (line graph), or viscosity of liquids (bar graph).
The area that best represents it
In which of the following situations would a line graph be best?
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Velocity change vs Time
While a line graph can help with interpretation by showing the changes in values as a line, there are times when it is not the best king of graph for a particular situation. That is why other kinds of graphs have been developed.
It would help to have the graphs to choose from!
It represents, approximately, a linear relationship with a negative gradient.
The graph that best represents a change of phase from a gas to a solid would show a decrease in temperature over time as the gas loses energy and transitions into a solid state. The temperature remains constant during the phase change itself due to the energy being used to break intermolecular bonds rather than increase temperature.
an exponential function flipped over the line y=x