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

How does the diaphragm work to change air pressure in the lungs, and as a result, cause breathing?

I really don't understand number 10 please help

Parasites of the genus trypanosoma evade immune responses through what defense?

what are the five major way a language can change?

Why do you think the Great Ocean Conveyor Belt is important? A. It is not important at all. B. It takes warm water from the tip of Florida to California.

What is the answer in scientific notation

The Albany Plan of Union was meant to address A) a declining colonial economy. B) growing disagreements with Great Britain. C) threats to the colonies during th

what element is least metallic A zinc B iron C cadmium D silver

what is tag in English

How do you identify equivalent ratios