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Exam Strategy

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Readiness Check

You are ready when you can:

  • Test whether points satisfy an implicit equation.
  • Graph by solutions or technology.
  • Solve for one variable on a stated branch.
  • Interpret sign of Delta y / Delta x for co-variation.
  • Recognize horizontal/vertical intervals from zero rates.

Course vs AP Exam

Course scope only (Unit 4 additional topic; not on the AP Exam). These skills still matter for Unit 4 coursework and readiness for 4.6.

Tactics (course assessments)

1. Rewrite equation; identify what to solve for. 2. Make a small table of solution pairs. 3. Plot points; note missing branches. 4. Compare two nearby points for change ratio. 5. Align implicit, explicit, and graph views (2.B).

Common Traps

  • Explicit solve shows only one branch.
  • Wrong sign on co-variation ratio.
  • Forgetting to check given points in the equation.
  • Treating vertical line segments as functions y = f(x).

Quick Checklist

  • [ ] Points tested in equation
  • [ ] Graph built from solutions or tech
  • [ ] Explicit branch identified if used
  • [ ] Co-variation sign interpreted
  • [ ] Representations aligned

For your personal study only. Copying, printing, screenshotting, or sharing this material is not permitted and may result in loss of access.

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