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

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

Simplify. 26 + (–3) ∙ (–8) A. –184 B. –2 C. 2 D. 50

what act did the united states government pass in order to be able to move Native American of their lands into the Indian's Territory? A) Native American Act B)

What are 5 pros and cons of living in sparta and athens in greece?

how do you work out 45.3x6 using grid method

After his paycheck, Mr.Weber's credit card balance was $245.76. His payment was for $75.00. Write and solve an equation to find the amount of his credit card

how do you work out 45.3x6 using grid method

PLEASE HELP IS THE OLD YELLER !!!!!!!!!!!! When does Mrs. Coates first demonstrate that she recognizes Travis is taking on his father's role? A. when Travis go

How are carbon, hydrogen, and oxygen alike?

log4(x)+log4(x+15)=2

are there forests in Hungary