lisapressley2001
lisapressley2001 lisapressley2001
  • 03-01-2017
  • Mathematics
contestada

8. Find all the real fourth roots of 256

Respuesta :

surjithayer surjithayer
  • 03-01-2017
x^4=256
x^4-256=0
(x^2)^2-(16)^2=0
(x^2+16)(x^2-16)=0
either x^2+16=0
it gives complex roots.
or x^2-16=0
or x^2-4^2=0
(x+4)(x-4)=0
either x+4=0,x=-4
or x-4=0
x=4
Answer Link

Otras preguntas

What was one negative effect of the end of communism in Czechoslovakia? The Czech Republic fractured. Slovakians began to revolt. Slovakia suffered economically
Please help I'm so stumped
David shows delayed intellectual development and has flattened facial features. The doctors explain that this genetic disorder is a result of extra genetic mate
Help me please The question is down below Thanks
Help with number 7 plz
what is the equation to the MA (Mechanical Advantage) of a screw
Pick the correctly spelled plural form of "wolf" to complete the following sentence We saw a pack of___ when we went hiking yesterday a: wolves b: wolf's c: w
If a number of mice living in a field triples each year. what type of function represents this pattern? A.) Exponential decay B.) Increasing linear C.) Exponent
how do you figure out 3 1/3 minus 2 2/5
A sphere has a diameter of 12 ft. what is the volume of the sphere? give the exact value in terms of .