The score of the given solution to the given problem as full credit, partial credit and no credit, using the scoring rubric, along with an explanation.
It has been determined that the score of the given solution should be a full credit according to the scoring rubric.
Given:
The problem,
“The volume of a sphere with radius
The solution,
“The table shows the volumes of spheres with radii from
From the graph, you can see that the
A sphere with a volume of
Concept used:
According to the scoring rubric, full credit is given when the solution is complete and correct; partial credit is given when either the solution is complete but has errors or when the solution is without error but incomplete; and no credit is given when no solution is given or the solution makes no sense.
Calculation:
Put
Simplifying,
Solving,
Evaluating,
This implies that the given solution is correct.
Moreover, the given solution is complete as the table of values is given, the resulting graph is given and even the dimension of the final solution is given.
Thus, the given solution is complete and correct. So, the score of the solution should be a full credit.
Conclusion:
It has been determined that the score of the given solution should be a full credit according to the scoring rubric.
Chapter 2 Solutions
Holt Mcdougal Larson Algebra 2: Student Edition 2012
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