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Exam Strategy

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Readiness Check

You are ready when you can:

  • Classify distance trends using r sign and monotonicity.
  • Find relative closest/farthest points from monotonicity changes.
  • Compute and interpret (Delta r)/(Delta theta).
  • Estimate r using average ROC on an interval.

On the AP Exam

  • MCQ: distance increasing/decreasing, extremum identification, avg ROC.
  • FRQ: describe characteristics with data/graph support (skills 3.A, 3.C).

Tactics

1. Write the four distance rules on your scratch paper. 2. For tables, mark Delta r and Delta theta clearly. 3. Extrema need an increasing/decreasing switch on the interval. 4. Negative r: think |r| for distance from origin. 5. Support claims with two points or graph intervals (3.C).

Common Traps

  • Inverted ROC fraction.
  • Ignoring negative r cases.
  • Confusing farthest with largest theta.
  • Estimating outside the interval used for avg ROC without comment.

Quick Checklist

  • [ ] Sign and monotonicity checked
  • [ ] Distance trend stated correctly
  • [ ] ROC = Delta r / Delta theta
  • [ ] Extremum justified by switch
  • [ ] Conclusion supported with data

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