Mitchem485 Mitchem485
  • 24-09-2014
  • Mathematics
contestada

is x-8 a factor of the function f(x)=-2x^3+17x^2-64?

Respuesta :

AndyBryer
AndyBryer AndyBryer
  • 24-09-2014
To do this we can use the remainder theorem to find the value of the remainder when x=8
f(8)=-2*8³+17*8²-64
f(8)=0
Therefore x-8 is a factor.
Answer Link
Аноним Аноним
  • 24-09-2014
[tex]If\ (x-8)\ is\ a\ factor\ of\ the\ function\ f(x)=-2x^3+17x^2-64\\\\then\ f(8)=0.\\\\Check:\\\\f(8)=-2\cdot8^3+17\cdot8^2-64=-2\cdot512+17\cdot64-64\\\\=-1024+1088-64=0-correct\\\\Answer:(x-8)\ is\ a\ factor\ of\ the\ function\ f(x).[/tex]
Answer Link

Otras preguntas

Which expressions are equivalent to 3(4h+2k)? Options: 3(2k+4h) 3(4k+2h) None of the above
Which statement best describes a key aspect of mercantilism? (1) removing tariffs to increase free trade between empires (2) acquiring colonies to provide a fav
Why is expanded form important
The product of 72 and a number
Jake and Seth put some money into their money boxes every week. The amount of money (y), in dollars, in their money boxes after a certain amount of time (x), in
Select the statement where the value of the unknown number is 5.5. A number divided by 2 is 5.5. 2 divided by a number is 2.75. A number divided by 2 is 2.75. A
What is negative + positive
what does army corp mean
What do scientists assume about the universe
fifteen seconds is what fraction of a minute