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

1 \ 3 ( 24p - 66) = 3p + 43

All of the following are cited by historians as causes of World War I EXCEPT: A. the breakdown of the balance of power in Europe B. the arms race C. the control

Due to its increasing size and cheap means of production, what country is seeking to become the next world superpower? a. Russia b. China c. Japan d. Mexico

Which economic reason was used to the rapid expansion of European colonies through out the world between the 17th and 19th centuries? A. By colonizing much of

What is the reaction of lead with sulphuric acid

Which policy is a country using when it regulates its colonies’ imports and exports to produce a favorable balance of trade? (1) embargo (3) mercantilism (2) ou

By the Fall of 1940, Germany controlled how much of western Europe? a. Very little c. About half b. Almost all d. None

What is the sum of 6 feet 10 inches and 8 feet 9 inches? A. 15 ft. 7 in. B. 15 ft. 19 in. C. 13 ft. 19 in. D. 14 ft. 7 in.

Which property decreases when the elements in Group 17 are considered in order of increasing atomic number? (1) atomic mass (3) melting point (2) atomic radius

Which of the following statement is FALSE? a. Plath’s work is mostly upbeat and cheerful in tone and mood. b. Plath became known for her style of writing confe