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

40 points given if answered correctly, if not you will get reported.
Why learn about human reproductive system in school?
which of the following possible outcomes regarding the universe do scientists think is most likey? A) the universe will continue to expand B) the universe has c
According to the Fed, what were the major problems during the financial crisis of 2008? Check all that apply. -The money supply became less liquid. -Consumer sp
A sprinter can run 10 yards in 5⁄3 seconds. How long will it take the same sprinter at the same speed to run 30 yards?
How do you solve for D to the 7th power times D to the 9th power
The question I need help with the answer
You see a white buoy with a blue band. what type of buoy is this?
To construct an inscribed circle of the ΔABC, how would you find the incenter of ΔABC? construct the angle bisectors for ∠A and ∠B only construct the angle bi
"WE, the People of the [United States] Confederated States, each State acting in its sovereign and independent character, in order to form a [more perfect Union