dominikkovar09 dominikkovar09
  • 21-10-2019
  • Mathematics
contestada

Let u = <-8, -9>. Find 7u. (2 points)

<-56, 63>

<-56, -63>

<56, -63>

<56, 63>

Respuesta :

Аноним Аноним
  • 21-10-2019

Multiplying a vector by a scalar means to multiply each coordinate of the vector by said scalar.

So, we must multiply both entries by 7:

[tex]u=(-8, -9)\implies 7u=(-8\cdot 7, -9\cdot 7) = (-56, -63)[/tex]

Answer Link

Otras preguntas

What particles make up the nucleus of an atom?
Juan is thinking of two numbers. He says that 3 times the first number minus the second number is 118. In addition, two times the first number plus the second n
What are the unit rates for  4/8 , 5/25, 36/6, 14/21, 18/30, 28/16, 56/35, 45/108, 12/42, 39/26
-2n-h(4rx-6s)-3rx+3s i need help doing this problem
-2n-h(4rx-6s)-3rx+3s i need help doing this problem
factor: 6x+36=  how do I solve this problem
98 divided by 7 please show how
Find the slope of the ski run that descends 15 feet for every horizontal change of 24 feet
the perimeter of a rectangle is 120 meters. If the length of the rectangle is 20 meters more than the width, what are the dimensions of the rectangle.
Find the slope of the ski run that descends 15 feet for every horizontal change of 24 feet