Irina wants to record the speed at which she is moving in her car every hour in the form of a line graph.
What value should she plot on the x-axis?
A
Speed
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B
Time
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C
Distance
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D
None of these
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Solution
The correct option is B Time To plot a speed vs time line graph, we fix the independent variable on the x-axis and the dependent variable on the y-axis.
The speed of the car would vary with time. Thus, time is an independent variable.