BetterGrades Precalculus · Unit 14 · Assessment

Unit 14 Investigation

A multistage representation and verification task.

investigation

5 concrete stages

A multistage representation and verification task.

Investigation rubric

  1. represent the situation
  2. perform valid mathematical work
  3. interpret the result
  4. verify with a second representation
Assessment

Complete every required response

Item 101

State the defining idea behind parametric equations and orientation in one precise sentence.

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Item 202

Solve this parametric motion and vector-valued position problem and state the final result: A particle has r(t)=<t21,3t>r(t)=<t^2-1,3t>. Find displacement and average velocity from t=1t=1 to t=4t=4.

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Item 303

What mathematical structure is shared by the opening problem and “Explain why (r,theta+2pi(r,theta+2pi k) is equivalent.”?

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Item 404

For polar symmetry and repeated tracing, what condition or domain restriction must remain visible in the solution?

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Item 505

What mathematical structure is shared by the opening problem and “Find all arguments of a nonzero complex number.”?

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