Trigonometry High School Examination Worksheet Template Page 35
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36Part IV
For this question, use the specific criteria to award a maximum of 6 credits. Unless
otherwise specified, mathematically correct alternative solutions should be awarded
appropriate credit.
2
2
2(x
6)
2x
12
(39)
[6]
or
, and appropriate work is shown.
4
4
x
x
[5] Appropriate work is shown, but one computational, factoring, or
simplification error is made.
[4] Appropriate work is shown, but two computational, factoring, or
simplification errors are made.
or
2
(x
6)(x
3)
2(x
2)
(x
4)(x
4)
[4]
or an equivalently factored
•
•
3
x(x
4)
(x
4)(x
2)
x
(x
3)
expression, but no further correct work is shown.
[3] Appropriate work is shown, but three or more computational, factoring, or
simplification errors are made.
or
[3] Appropriate work is shown, but one conceptual error is made.
[2] Appropriate work is shown, but one conceptual error and one computational,
factoring, or simplification error are made.
[1] Appropriate work is shown, but one conceptual error and two or more
computational, factoring, or simplification errors are made.
or
2
2
2(x
6)
2x
12
[1]
or
, but no work is shown.
4
4
x
x
[0] A zero response is completely incorrect, irrelevant, or incoherent or is a
correct response that was obtained by an obviously incorrect procedure.
[11]
Algebra 2/Trigonometry Rating Guide – January ’12
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