If (x + 2) is a factor of x3 − 6x2 + kx + 10, k =

Question

13-04-2017
Mathematics

contestada

If (x + 2) is a factor of x3 − 6x2 + kx + 10, k =

Respuesta :

Otras preguntas

A solution contains 100 mg/mL of a drug, and the recommended dose is 50 mg/lb. once a day. How much solution would be needed for one dose to be administered to

Somebody please helpp

What is the purpose of Medicare? A. Provide coverage for people with lower incomes B. Provide coverage for people age 65 and older C. Provide coverage for child

Match the definitions to the terms: Terms: Hypotonic Solution Isotonic Solution Hypertonic Solution Diffusion Facilitative Diffusion Active Transport Passive

Who is responsible for combining military and diplomatic activities in their regions of responsibility?

Why did the Bush administration respond to the events of September 11, 2001 by invading Afghanistan? Osama bin Laden, who organized the September 11 attacks, wa

What gifts does Marielle Tsukamoto remember receiving while she lived in Jerome?

We were advised by Mr. Rawlings to get a good night’s sleep before the test. a. Active b. Passive

Please help with 5.

ghanami ghanami · Answer 1 · 2017-04-13T18:43:16+02:00

ghanami ghanami

13-04-2017

hello:
let : f(x) = x3 − 6x2 + kx + 10
If (x + 2) is a factor of x3 − 6x2 + kx + 10 : f(-2) = 0
(-2)^3-6(-2)² +k(-2)+10=0
-8 -24-2k +10 = 0
-2k =8+24-10
-2k = 22
k = -11

Answer Link