Answer:
In terms of the class, the dot product represents the weighed class average.
Step-by-step explanation:
The two vectors are:
- The weight of each of the semester's exams.
In decimal:
- The class average on each of the exams
In decimal:
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Dot product:
Suppose there are two vectors, u and v
u = (a,b,c)
v = (d,e,f)
There dot product between the vectors u and v is:
u.v = (a,b,c).(d,e,f) = ad + be + cf
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So
In terms of the class, the dot product represents the weighed class average.