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

share a story of a time in which you felt a hero saved you
The main span of the Brooklyn Bridge is 1595 feet long. The Golden Gate Bridge is about 263% of the length of the Brooklyn Bridge. To the nearest hundred feet,
What year was Christopher Columbus born in?​
what does this quote mean "our deepest fear is not that we are inadequate. our deepest fear is that we are powerful beyond measure. it is our light, not our dar
Which literary device is used in this poem?
Which enzyme digests protein in stomach?
Which of the following is most likely to reduce the kinds of group biases that exist in face-to-face groups? A. crowd psychology B. herd mentality C. crowdsourc
Triangle ABC has vertices A(−3, 1), B(−3, 4), and C(−7, 1). If ∆ABC is translated according to the rule (x, y) → (x + 4, y − 3) to form ∆A′B′C′, how is the tran
standard precautions differ from transmission-based precautions in that standard precautions
The cost to rent a scooter is $12 per hour plus a $40 flat fee. If your final bill was $76 how many hours did you rent the scooter for? Write an equation to rep