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 tactic did Martin Luther King Jr. employ to great effect in the civil rights movement? assault on segregation through the courts television appeals to nati
convert 25/8 into a mixed number
Which is NOT a type of bone tissue? compact sponge surface marrow
Which of these events happened when the United States dropped the first atomic bomb? The formation of the Iron Curtain was announced. The Soviets honored their
Which sentence from "Enrico Fermi: The 'Italian Navigator'" is not strictly factual? A. "At last, at 3:25, the final order was given." B. "But he stepped out br
Which has higher air pressure—warm air or cold air? How do you know?
gases such as oxygen and carbon dioxide cross the plasma membrane by
Most wind erosion is caused by _____. saltation abrasion traction plucking
What similarity can be drawn between state and national governments? Both have three branches of government and a constitution. Neither uses any form of direct
Which sentence best describes mass movement? A. The downhill movement of animals due to heavy snow in their normal home B. The movement of people from New Jerse