teacherlewiss56 teacherlewiss56
  • 18-06-2020
  • Mathematics
contestada

What are the solutions to the quadratic equation x2 – 16 = 0?
O x = 2 and x = -2
x = 4 and x = -4
x = 8 and x = -8
x = 16 and x = -16

Respuesta :

MathTutors
MathTutors MathTutors
  • 18-06-2020

Answer: x=8 and x=-8

Step-by-step explanation:

To find the solutions of the quadratic equation, you want to factor it and set it equal to 0.

x²-16=0

(x+8)(x-8)=0

x+8=0

x=-8

x-8=0

x=8

Now that we have factored and set the factors equal to 0, we found that the solutions are x=-8 and x=8.

Answer Link

Otras preguntas

why does it take 2 copies of 1/8 to show the same amount as 1 copy of 1/4?explain your answer in words
A store advertises 15% off an item that regularly sells $300.what is the sale price off the item?
NEED HELP ASAP?!?! What country was not allowed to join the League of Nations? Italy,Great Britain, France, or none of the above
the american political process in which citizens elect induviuals to represent them in the legislature was inspired by?
which term refers to the cultural movement in New York City that resulted from the black migration of the 1920s A.the Jazz Age B.the Lost Generation C.the Gilde
Approximate square root of 53 to the nearest integer.
Macduff is primarily motivated by a. his love for his country. b. his need for respect. c. his hatred of Macbeth. d. his personal ambition.
Calculate the energy of a photon of wavelength 11.56 meters. (Planck’s constant is 6.626 x 10-34 joule seconds; the speed of light is 2.998 x 108 m/s)
What is one fourth of one ton HELP
John Smith successfully planted and cured tobacco. a. True b. False