anonymous
  • anonymous
Let u = <-5, -3>, v6, -1>. Find -3u + 5v.
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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anonymous
  • anonymous
Can you type the question again?@lauren9695
phi
  • phi
u and v are vectors if you multiply a vector by a coefficient, you multiply each of its terms example: 3* = <3a, 3b>
phi
  • phi
to add two vectors, you add their corresponding elements for example <1,2> + < 3,4> = <1+3, 2+4>

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phi
  • phi
if u = <-5, -3> what is -3u ?
anonymous
  • anonymous
wouldn't you put them together so it would be 15*3
anonymous
  • anonymous
no it will be <15,9>
anonymous
  • anonymous
oh I see but none of the choices are that answer
anonymous
  • anonymous
5<6,-1>=<30,-5> adding <15,9>+<30,-5>=<45,4> so ans is<45,4>
phi
  • phi
you have to do this problem in steps. first -3u then 5v then add those two results together.
anonymous
  • anonymous
oh thank you sooo much can you help with one more question

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