Jay456909 Jay456909

23-01-2021
Mathematics

contestada

Given f(x)=x^3+5x+k, and x+2 is a factor of f(x), then what is the value of k?

Respuesta :

lizavnyc lizavnyc

23-01-2021

3x^3+0x^2-2x+k:x-2=3x^2+6x+10
3x^2-6x^2
6x^2-2x
6x^2-12x
10x+k
10x-20
k+20
Thus k=-20

Answer Link

Аноним Аноним

23-01-2021

Answer: Hopes this helps

Step-by-step explanation:

Ver imagen Аноним

Answer Link

Otras preguntas

____ is the development of a product that is closely related to one or more products in a firm's existing product line but is designed specifically to meet some

What is through and through sawn

What is the equation of the line that passes through the point (1,5) and has a slope of -1

What is the value of X

Ben rented a car. It cost $30.00 plus $0.25 per mile. If Ben paid $85.00 for the car rental, how many miles did he drive the car?

When 91.5 g of isopropyl alcohol which has an empirical formula of C3H8O is burned in excess oxygen gas, how many grams of H2O are formed? MWC = 12.011 g/mol,

a borrower has asked the notary signing service to email him copies of the loan documents. how should the NSA respond?

Which option is a balanced equation for photosynthesis? C6H12O6 + 6O2 6CO2 + 6H2O CO2 + H2O C6H12O6 + O2 6CO2 + 6H2O C6H12O6 + 6O2 6C6H12O6 + 6O2 6CO2 + H2

Derrick is an active member of Humane Farm Animal Care and abhors killing of animals for food. He does not want to be part of meat-lovers clubs and does not wan

What research strategies or tips would you share with others