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 :

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

Can someone answer this

what is density? please help i need it for a study guide

Congress makes a new law concerning the use of personal flight vehicles in public airspace. Which of the following would most likely happen

Donner : Les antécédents de 1... L'image de 3. Un antécédent de 1......... L'image de-2........... f(-1) = f ...........) = 2 Dresser le tableau de variation d

I need help like right now please

how do most people get their news?

hey poopy what is 2(3)+16

Write a paragraph describing a desolate place. ?

Convert the following numbers to hexadecimal. a) 10101111001011000112 b) 100101010010011010012 c) 011011010010100110012 d) 101011001000102

Calculate the volume of each solid. 14 cm 18 cm 22 cm 19 cm