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 type of microscope is used for looking at metal surfaces?
Simplify 2 square root of 10 times 3 square root of 12 answers A.6squar rootof120 B.12squar rootof60 C.12squar rootof30 D.5squar rootof120
Be sure to label your answer.
When is the danger of reduced traction the greatest
Which gramm-leach-bliley act rule requires federal bank regulatory agencies, the sec, and the ftc to issue security standards for the institutions that they reg
Which of the following was a contributing factor in economic crisis of 2008
A pyramid and prism have the same base area and height. The prism's base area is 8 square units and its height is 16 units. What is the volume of the pyramid?
The cost to produce a product is modeled by the function f(x) = 5x2 − 70x + 258 where x is the number of products produced. Complete the square to determine the
PLEASE PLEASE IM RUNNING OUT OF TIME AND NEED YOUR HELP!!!!! hope i wrote these correctly! Simplify: ^3√108c^17 My Choics are... : a. 6c^8√3c b. 3^3√4c^17 c.
What effect did the Punic Wars have on Rome's military development