alody1287 alody1287
  • 13-04-2017
  • Mathematics
contestada

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

Respuesta :

ghanami
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

Otras preguntas

1. Mi cuaderno (Blank)encima de mi escritorio. a. estás d. estamos b. están c. está 2. Las ventanas (blank) al lado de la puerta. a. estamos b. están c. estoy d
The Anti-Federalist Papers primarily argued which of the following selections?A. For abandoning the articlesB. Against the proposed new U.S. constitutionC. Agai
Which of the following values of x make the following functions equal? y = 2x + 6 and y = 6x - 10 A. X=2 B. X=1 C. X=4 D. X=3
Write in slope intercept form M=6,B=1
How many total atoms are in the following compound: Ca(CO3)2H2
Help I need an answer! Do you lose points when you ask a question?
State whether each of the followingis exothermic or endothermic1) Na and H2O​
How are animals in chordata group are different?
Overview1234Question ProgressHomework Progress010Expand and simplify 2(x + 7) + 3(x + 1)+​
Which one of the following limiting factors is density independent? A) Predation B) Fire C) Competition D) Disease