kvcowart99 kvcowart99
  • 15-06-2017
  • Mathematics
contestada

What are the types of roots of the equation below?

x^4 - 81 = 0

Respuesta :

mergl
mergl mergl
  • 15-06-2017
x^4-81=0
(x^2+9)(x^2-9)=0
(not real)=0 (x^2-9)=0
(x^2-9)=(x+3)(x-3)
Real roots=-3,3, also irrational -(-9)^(1/2), (-9)^(1/2)
Answer Link

Otras preguntas

Componentes de agua destilada
Cardiorespiratory fitness is most likely to improve due to which of the following types of exercise? A.bicycling B.weight lifting C.push-ups D.sit-ups
How do you reduce 6/12
which is greater 1/5 or 2/8
which goal was john muir most interested in
What was the purpose of the Declartion of Independence?
Which sentence uses a verb that agrees with its subject? a. Was some favors left over from the party? b. There is some boxes of decorations in the basement. c.
By the end of 1848, about 6,000 people had come to California to look for gold. About 500 had traveled overland from the United States. What percent of those se
In creative nonfiction, to make quotes sound like dialogue, writers: a. change the words b. put the quotes in context c. do nothing at all d. add imaginary char
Which is a feature of a static visual?