Concept explainers
To define : Compare and contrast scale and scale factor.
Explanation of Solution
Scale is usually expressed as the ratio used to compare the measurements in the graph with the actual measurements. It is always written with units.
Example:
Whenever we draw any graph, we need to specify the scale for that.
10cm= 1 unit (this shows the value of scale)
This value shows that each 10 cm is plotted in the graph with the help of 1 unit in graph.
A scale factor is the ratio of change of new measurements to old measurements.
In short, scale factor is nothing but a scale without units.
It is used to compare two things like which one is bigger and which one is shorter.
Example:
A value 1:3 shows the value of scale factor which shows that the second one is three times the first one.
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