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

An ice cube absorbs 353 cal of energy from its surroundings. How many joules of energy is this?

Choose the correct simplification of the expression (2x7y)2(y5)3.

PLEASE HELP ME!!! QUICKLY!!

In The Lady, or the Tiger, which inference can be best made about the king? Question 15 options: a) He is jealous. b) He is egotistic. c) He is intelligent.

What decimal is equivalent to ? 7-25

Read the excerpt from "Speech to National Council of Negro Women” by Condoleezza Rice. My grandfather understood something, and so did my grandmother and my mot

A stock with a beta of 2.0 has an expected rate of return of 13.15%. the risk-free rate in the market is 3.30%. what is the market premium? assume capm is true.

How many grams of glucose (C6H12O6) are contained in 555 mL of a 1.77 M glucose solution?

Find the perimeter. 15 ft 25 ft if the 25ft is diagonal in a rectangle

ind two negative and three positive angles, expressed in radians, for which the point on the unit circle that corresponds to each angle is (√2/2,√2/2) .