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anonymous

  • one year ago

A vector has components (4,2). When the vector is multiplied by the scalar 9, how does its magnitude and direction change? magnitude: unchanged; direction: increases by 180° magnitude and direction are both unchanged magnitude: increases by a factor of 3; direction: unchanged magnitude: increases by a factor of 9; direction: unchanged

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  1. mathmate
    • one year ago
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    Hint: |dw:1443023254451:dw|

  2. anonymous
    • one year ago
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    hmm leaning towards C. now correct?

  3. mathmate
    • one year ago
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    Can you please state exactly what is said in C? THank you.

  4. anonymous
    • one year ago
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    magnitude: increases by a factor of 3; direction: unchanged. here it is

  5. mathmate
    • one year ago
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    why 3?

  6. anonymous
    • one year ago
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    wait nevermind it should be 9 instead of the 3

  7. mathmate
    • one year ago
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    Good job! :)

  8. anonymous
    • one year ago
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    thanks B)

  9. mathmate
    • one year ago
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    You're welcome! :)

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