Preparing for the Regents Examination Geometry, AK
Preparing for the Regents Examination Geometry, AK
Preparing for the Regents Examination Geometry, AK
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Part III<br />
For each question, use <strong>the</strong> specific criteria to award a maximum of 4 credits.<br />
15 Score Explanation<br />
4 2 : 3, and an appropriate explanation is given.<br />
3 An appropriate method is used, but a single arithmetical error is made.<br />
2 An appropriate method is used, but multiple arithmetical errors are made.<br />
1 2 : 3, but no explanation is given.<br />
0 A zero response is completely incorrect, irrelevant, or incoherent or is a correct response<br />
that was obtained by an obviously incorrect procedure.<br />
16 Score Explanation<br />
4 x 7, mP 62, mQ 28, and an appropriate explanation is given.<br />
3 An appropriate method is used, but a single arithmetical error is made.<br />
2 An appropriate method is used, but multiple arithmetical errors are made.<br />
1 x 7, mP 62, mQ 28, but no explanation is given.<br />
0 A zero response is completely incorrect, irrelevant, or incoherent or is a correct response<br />
that was obtained by an obviously incorrect procedure.<br />
17 Score Explanation<br />
4 The following proof or ano<strong>the</strong>r appropriate proof is given.<br />
Statements Reasons<br />
1. −−−<br />
AD −−<br />
BC , −−<br />
DE −−<br />
CE , −−<br />
EA −−<br />
EB 1. Given.<br />
2. ADE BCE 2. SSS SSS.<br />
3. 1 2 3. CPCTC.<br />
4. 3 4 4. Base angles of an isosceles triangle are<br />
congruent.<br />
5. 1 3 2 4 5. Addition postulate.<br />
6. DAB CBA 6. Partition postulate.<br />
3 An appropriate proof with correct conclusion is shown, but one reason is faulty and/or<br />
one statement is missing.<br />
2 An appropriate proof with correct conclusion is used, but multiple reasons are faulty or<br />
multiple steps are missing or have errors.<br />
1 DAB CBA and a reason is given, but no appropriate method is shown.<br />
0 A zero response is completely incorrect, irrelevant, or incoherent or is a correct response<br />
that was obtained by an obviously incorrect procedure.<br />
114 Cumulative Reviews