AbhiSK17 AbhiSK17

25-03-2020
Mathematics

contestada

If (x+2) is a factor of 2x 3 + 5x 2 – x-k, then value of k is
(a) 6
(b) – 24
(C)-6 (d) 24
11

Respuesta :

afzbyjus afzbyjus

25-03-2020

Answer:

k = 6

Step-by-step explanation:

Solution:

p(x) = 2x^3 + 5x^2 - x - k

x + 2 = 0

x = -2

p(-2) = 2(-2)^3 + 5(-2)^2 - (-2) - k

0 = -16 + 20 + 2 - k

0 = 6 - k

Therefore, k = 6

OPTION (a) 6

PLZ MARK ME AS BRAINLIEST!!!

Answer Link

Otras preguntas

Assuming independent assortment, an individual of genotype SsYyAa would produce gametes of genotypes (in their correct proportions) _____. See Section 14.3 (Pag

Charles Ndhlovu regularly purchased large quantities of materials used in counterfeit manufacturing, such as blank CDs and DVDs, cases, and labeling paper. a st

Suppose you buy a car with a value of $8,500. Each year the value of your car will depreciate by 4.7%. How much will your car be worth in 6 years? A) $11,196.93

When looking to increase the presence of a website, putting together your search engine optimisation plan will help you plan your steps. Which activity would be

Point charge q1 and q2 both of 22nC are separated by a distance of 58cm along horizontal axis point a is located 40cm from q1 and 18 cm from q2. What is the mag

Which of the following is an example of cultural relativism?a) Andy marrying a woman who does not practice his religion, though his parents disprove.b) Helena p

91 tiles to make 13 hot plates. how many tiles to make 1 hot plate?

Discuss the role of african Americans in the civil war. In what ways was their fate tied to the war?, How did they contribute to the war?

At 25 oC, the vapor pressure of water is 23.8 torr and the heat of vaporization is 43.9 kJ/mol. Calculate the vapor pressure of water at 50. oC

how do you solve this math question?