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

what is the least common denominator for the fractions 1/2 and 2/3
How long will it take an airplane to go 800 miles if it is traveling at an average speed of 650 miles per hour?
#4 help me please Please Please
Stanley ran a 5 kilometer race in 30 minutes. what was his speed in kilometers per hour? round to the nearest tenth
Air is made of mostly oxygen, nitrogen, argon, carbon dioxide, and small amounts of other substances. Air is a ___________. A. compound B. mixture C. solutio
Use the diagram below. Is each statement true? The image consists of five ray originated from point O. The rays formed in the clock wise direction are ray OA, r
is the atmosphere is an imaginary reference line that circles the earth
Please help me 3 questions
A population of rabbits follows the typical pattern of inheritance and the law of dominance for fur color. B is the allele for black fur and b is the allele for
Which coin paradox calls for the ability to assess when more force is needed and when it might be counterproductive?