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

Mira las siguientes oraciones. Cambia las frases para que sean como si tú dijeras estas frases a otra persona. (Change the sentences from quotes to reported spe
why were the radical Republican considered to be radical
what was medieval literature like?
For each example below, determine whether a positive, negative, or no cause and effect relationship exists. 1) Smoking and cases of lung cancer. 2) Amount of t
What is the domain of the step function f(x) = ⌈2x⌉ – 1?
Given that (5,-8) is on the graph of f(x), find the corresponding point for the function f(x+2)
Find the center, vertices, and foci of the ellipse with equationx^2/144+y^2/2525 = 1
What effect did population growth have on the conflict between colonists and Native Americans?
Name the muscular contractions that force the food downwards
Which statement correctly describes the function of each lichen part? a.Algae provide structure, bacteria provide food, and fungi provide nitrogen. b.Algae prov