budurrashrash budurrashrash

03-06-2020
Mathematics

contestada

Given f(x)=x^3+2x+k.
and x+1 is a factor of f(x), then what is the value of k?

Respuesta :

PollyP52 PollyP52

07-06-2020

Answer:

k = 3.

Step-by-step explanation:

By the Factor Theorem. if x+a is a factor of f(x) then f(-a) = 0.

Here we use f(-1):

f(-1) = (-1)^3 + 2(-1) + k = 0

-1 - 2 + k = 0

k = 3.

Answer Link

Otras preguntas

You plug in an extension cord and you have to be very careful around electrical outlet. However you can handle his extension cord without worry of being shot by

Which is internal stimulus? A. an increase in moisture B. feelings of hunger C. number of hours of daylight D. the temperature at night

Can someone help me solve these?

how can the rate of the reaction be increased?

What two bash environment variables represent the current working directory, and the absolute pathname of the current shell, respectively?

Why do you think early humans created art? Were their reasons for creating art different from or similar to reasons for creating art today?

How are the histories of Napata and Meroë tied to Egypt?

A man Who organized the American Federation of labor

The united states primarily became involved in ww2 due to events in which area

What are the 2 ways the govetment collects taxes t?