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

Jonathon had 4 4/ 5 pounds of ground beef. He used some of the ground beef to make hamburgers. He had 1 1/ 5 pounds of ground beef left over. How much groun

You stand on top a building 44 m tall with a water balloon. You drop the water balloon from rest. How fast is the balloon moving when it is halfway down the bui

The Byzantine Empire is known for its longevity (long life), investigate why and tell me the results of your findings. (Create question) Mod. 1.05 this is for F

What are the three strategies you can suggest your friend use to reduce his own risk of developing cardiovascular disease?

10.) state whether the given side lengths can form a triangle

Newton's ______________ law says that an object keeps its current state of motion unless acted upon by a ______________ force. Newton's ______________ law state

What is a trade-off? A. a situation in which too much money is spent on nonessential purchases B. a method of saving money by investing in the stock market C.

Please help I have no clue what to do

John owes a debt of $500 to his landlord. His father has agreed to pay 3 5 of this amount for him. How much will his father pay?

What is another way name for BD? CF, BD, CF, BE