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

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

Mark has a container in the shape of a cube. He uses 64 cubes with side lengths of1 inch to completely fill the container.What is the edge length of the contain

9. Which of these is an entrepreneur? A. a farm employee B. a government employee C. a successful business owner

1. Jesus' early followers believed that people who were not ? could not take part in God's ?

Imagine you have a bucket of water sitting higher than a ladder. What type of energy would that bucket contain? If that bucket were overturned, what type of ene

This is the process of cell reproduction where cell splits into two daughter cells.

Use induction on n to prove that fir all n>=2, 2^n+3^n<5^n

what is the reason for each step in the solution of the equation 12-5x+6x=4

which type of cells can differentiate into many different types of cells? select all that apply

A fly lands on one wall of a room. The lower-left corner of the wall is selected as the origin of a two-dimensional Car- tesian coordinate system. If the fly is

If h(x) = 5 + x and k(x)= , which expression is equivalent to (k•h)(x)