kaysmbl kaysmbl
  • 18-10-2019
  • Mathematics
contestada

Let u = <3, -1>, v = <-6, -6>. Find 9u + 2v.

Respuesta :

jimrgrant1 jimrgrant1
  • 18-10-2019

Answer:

< 15, - 21 >

Step-by-step explanation:

Multiply each of the components of the vectors by the scalar quantity, then add corresponding components of each vector.

9u + 2v

= 9 < 3, - 1 > + 2 < - 6, - 6 >

= < 27, - 9 > + < - 12, - 12 >

= < 27 - 12, - 9 - 12 >

= < 15, - 21 >

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