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 electron configuration represents Nitrogen? A. 2,2 B. 2,8,4 C. 2,4 D. 2,5
(x+1).(x/2 +2).(x/3+3).(x/4+4).(x/5+5)
fins the least number which should be added to 4100 to get a perfect square. also find the square root of the perfect square. plz sent answer fast ​
there were 13 original states. there are now 50 . what fraction of the states are the original states
muddy water is an example of ______mixtures​
what are the names ochako's parents names​
Hii! could someone help me with my english homework? I would really appreciate it.
How do you actually do this? On there template and save it or make my own template.? So confused. Scenario You are a certified public accountant (CPA) who is w
In a particular​ year, a total of 46,601 students studied in two of the most popular host countries when traveling abroad. If 8483 more students studied in the
Write the parametric equation of the line: 10x - 4y = 20