asandasoso740 asandasoso740
  • 03-06-2021
  • Mathematics
contestada

when
[tex] {x}^{3} + a {x}^{2} + 5x + 3[/tex]
is divided by
[tex]x + 2[/tex]
the remainder is b. Determine the value of b​

Respuesta :

swiler
swiler swiler
  • 04-06-2021

x³ + ax² + 5x + 3. x + 2 = 0

x = -2

(-2)³ + a(-2)² + 5(-2) + 3 = 0

-8 + 4a - 10 + 3 = 0

4a - 15 = 0

4a = 15

a = 15/4

Answer Link

Otras preguntas

A conductor of radius r, length l and resistivity p has resistance R. It is melted down and formed into a new conductor, also cylindrical, with one half the len
Suppose the total market value of all final goods and services produced in economy X this year is $4 million. Of the $4 million worth of goods and services, $3
Find f(-2) for the function f(x)=3x2-2x+7
HURRY PLZZ!! True or False: Iānuam cladit is correctly translated as "They close the door." True False
Which social institution was created to ease the loneliness and isolation felt by the western farmer? A. the Presbyterian Church B. the Farmer's Co-op C. the Gr
Materials move from cell to cell by osmosis a.protection b.support c.transporting materials d.reproduction
Features of___ Role played in elections Positions elected at this level • Regulating the election process • U.S. representatives • Presidents • U.S. senators W
According to Davis the southern states seceded as a ?
how did immigration in the 1800's impact westward expansion and industrialization
explain fungi network?