AP Precalculus Flashcards: Polynomial Functions And Complex Zeros

Study Polynomial Functions And Complex Zeros in AP Precalculus with focused flashcards that help you recognize the idea, recall the key rule, and apply it in practice-style prompts.

QUESTION

What is the complex conjugate of $7 - 5i$ ?

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ANSWER

$7 + 5i$ . Change the sign of the imaginary part.

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All flashcards

39 cards

What this deck covers

This deck focuses on Polynomial Functions And Complex Zeros, giving you a quick way to review the definitions, rules, and examples that matter most for AP Precalculus.

How to use these flashcards

Work through these flashcards in short sessions. Try to answer each prompt before flipping the card, then revisit any cards you miss until the explanation feels automatic.

Practice questions

1 of 27Practice questions for this set

Based on the passage, the degree-2 polynomial

v(x)=8x^2+16x+13

has

\Delta=256-416=-160

; calculate the complex zeros using the quadratic formula and simplify

\sqrt{-160}=4\sqrt{10}\,i

Choose an answer

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