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

Which part of French society was affected by the adoption of the Napoleonic Code? a. the schools b. the banking system c. the legal system d. the military
A horses body temperature T, is considered to be normal if it is within at least 0.9 degrees Fahrenheit of 99.9 degrees Fahrenheit. Find the range of normal bod
A wave's frequency is 2Hz and its wavelength is 4 m. What is the wave's speed?
The year 2036 will be the fifth leap year after 2016. Name the years from 2016 to 2036 that are leap years. What pattern did you use?
#5 The Spanish recruited thousands of supporters from the people the Aztecs had conquered. a. True b. False #6 The Spanish had weapons the Aztecs had never s
what were the three things that most Native Americans in North America had in common
what is 5.65 into a mixed number
What is K squared minus 11
which of the following means to acknowledge, quote, or commend
What is 160% of 19? What is 0.9% of 54? What is 15% of 376?