katfried7 katfried7
  • 04-07-2021
  • Mathematics
contestada

when x^2 - 3x +2k is divided by x+2, the remainder is 7. find the value of k.

Respuesta :

Eddie1Wan
Eddie1Wan Eddie1Wan
  • 04-07-2021

Answer:

let's find the zeros of the divisor

x+2=0

x=-2

let x²-3x+2k =f(x)

Now f(-2)=(-2)²-3(-2)+2k=7

4+6+2k=7

2k=7-10

2k=-3

k=-3/2

Answer Link

Otras preguntas

what does the zeppelin
What two factors determine the state of rocks and metals Inside the earth?
how do u divide 16 by 3/5
What is the size and shape of a super volcano?
Help??? What is 3x+5x=67y?
Over what period of time would you expect to see large changes in mountains,canyons,and similar features of the earth?
A ski jumper competing for an Olympic gold medal wants to jump a horizontal distance of 135 meters. The takeoff point of the ski jump is at a height of 25 meter
what does the zeppelin
do you know how to say my in Spanish?
what is the cell cycle??