annna2 annna2
  • 02-08-2016
  • Mathematics
contestada

which of the following is a polynomial with roots 4, -5 and 7?

Respuesta :

nobillionaireNobley
nobillionaireNobley nobillionaireNobley
  • 04-08-2016
Required polynomial is (x - 4)(x + 5)(x - 7) = (x - 4)(x^2 - 2x - 35) = x(x^2 - 2x - 35) - 4(x^2 - 2x - 35) = (x^3 - 2x^2 - 35x) - (4x^2 - 8x - 140) = x^3 - 2x^2 - 35x - 4x^2 + 8x + 140 = x^3 - 6x^2 - 27x + 140
Answer Link

Otras preguntas

What restriction may be necessary to the domain and range of linear equations?
which areas were obtained after the revolutionary war?
what role did sectionalism play in Lincoln's winning the 1860 election?
Identify two ways of changing the strength of an electric force
what is the farthest distance a human has ever been from earth?
what is the common name for calcium silicate?
What is the base of Apothecary
An atom of which element has the strongest attraction for electrons? A) Ba B) Cs C) O D) F
What is Taurine? Please help :)
The sum of two numbers is 44.The larger number is 20 more than the smaller number. What are the numbers?