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 the solution to the following of equations {5x-3y=34 x-2y=4?
Why is depression so common in teens? from an evolutionary standpoint wouldn't it have been evolved out? especially when it so often leads to suicide or self ha
There are three green, three blue and three white marbles in a jar. what is the probability of drawing first a white marble and then a blue marble, without repl
What was one major difference between the First New Deal and the Second New Deal?
how many years would take to terraform for Mars
What Rate Of Simple Interest Is Needed For $700 To Double,In 3 Years?
What is the definition of mitosis?
what was life like in the trenches in ww1
Which is a disadvantage of speaking? A. It takes time to organize your thoughts and words. B. The words and ideas are short-lived and disappear quickly.
Enzo picked 56 strawberries at a farm. This is 25 more than the number of apples he picked. Write and solve addition equation to find the number of apples Enzo