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 is a muckraker?
is 3 greater than -2
Please help I don't understand what to do?
Refer to Explorations in Literature for a complete version of this story. Which text from "After Twenty Years" best supports the idea that Jimmy Wells is a good
In this section, what operation will be done to polynomials? Select all that apply. Addition Division Multiplication Subtraction Squaring
How to write out one hundred four and 2thousands
What consist(s) of a series of related instructions that tells the computer what to do and how to do it? software sharing communities storage utilities guis?
In pablo picasso's blonde woman in profile, the artist uses a ________ line that follows the contours of the model's profile.
If you have 200 boxes to stock in the back of the store, and space for only 5 stacks, how many boxes do you need to put in each stack
When, according to Locke, is it necessary for man to give up certain liberties under the laws of nature?