Seudónimo Seudónimo
  • 11-08-2018
  • Mathematics
contestada

help ...
If (x - 1) is a factor of x3 + x2 + kx - 2, find the value of k.

Respuesta :

Smartkidbro
Smartkidbro Smartkidbro
  • 11-08-2018

x3+x2+kx-2 And (x-1) is a factor

so,

Substitute +1 in places of only x

(1)*3+(1)*2+k*(1)-2

3+2+k-2

5+k-2

3+k Now, as (x-1) is a factor Equate 3+k to Zero

3+k=0

k=-3

Hope it helped you!!!!!!

Answer Link

Otras preguntas

anthony made 6 bouquets.if he used 3/4 of a bunch of flowers for each bouquet how many flower bunches did he need
How much voltage would be necessary to generate 10 amps of current in a circuit that has 5 ohms of resistance?
In the poem By Myself by Eloise Greenfield are there any metaphors, simlies or personifications. thank you
A loan of $900 will be repaid in 36 installment payments of $30.22 each. What the finance charge for the loan?
What is the phenotype of gg x gg
what is the tangent of 210 degrees?
What are the traits used to classify a virus?
Which is an example of a predator-prey relationship? a. The relationship between a duck and a pond of water. b. The relationship between a lion and a zebra. c.
What do chemists measure concentration with?
Why is it important for scientists to be able to remove DNA from an organism? List two reasons.