Alnaafiya
Alnaafiya Alnaafiya
  • 03-03-2022
  • Mathematics
contestada

for p(x) = 5x^3-2x^2+3x-6.is x=-1 is a root of p(x)?is x=1 is a root of p(x)​

Respuesta :

ganjilaya2019
ganjilaya2019 ganjilaya2019
  • 03-03-2022

Answer:

just x = 1 is a root.

Step-by-step explanation:

p(-1) = 5(-1)³ - 2(-1)² + 3(-1) - 6 = -5 - 2 - 3 - 6 = -26

so x= -1 isn't root for p(x)

p(1) = 5(1)³ - 2(1)² + 3(1) - 6= 5 - 2 + 3 - 6= 0

so x = 1 is a root for p(x)

Answer Link

Otras preguntas

Find the difference- (ab+3a+7)- (-5ab-2)
As a result of the twenty second
Given f(x)=x+5 all over 3, solve for f^-1(3)
The decomposition of dinitrogen pentoxide is described by the chemical equation 2 n2o5(g) → 4 no2(g) + o2(g) if the rate of disappearance of n2o5 is equal to 1.
If you have an intermediate license and or 16 years old you may drive on unaccompanied between the hours of a- 10 p.m. and 7 a.m. B- 8 p.m. and 9 a.m. C- 9 p.m.
PLZZ HELP!! A spherical ball just fits inside a cylindrical can, 16 centimeters tall, with a diameter of 16 centimeters. Which expression gives the volume of th
explain how Achebe portrays the Igbo customs (Things Fall Apart)
PLEASE HELP ME!!!! Part A: Amir rented a scooter at $43 for 3 hours. If he rents the same scooter for 8 hours, he has to pay a total rent of $113. Write an equa
how are hosts and parasites related?
a boat at speed of 8.3 kilometers per hour. how long will it take to travel a distance of 8.715 kilometers?