sarapereira17
sarapereira17 sarapereira17
  • 10-08-2017
  • Mathematics
contestada

Give that (x+2) us a factor is 2x^2+kx-10, which of the following is the value of k?

A- -3
B- 3
C- 1
D- -1

Respuesta :

Аноним Аноним
  • 10-08-2017
2 * -10 = -20
so the factors  taken are  2 and -5  

k =  -5 + 2*2 = - 1


Its D

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