Lindsay882
Lindsay882 Lindsay882
  • 03-04-2018
  • Mathematics
contestada

Show all work. What are the zeros of the function?
f(x) = 2x^2 − 8x − 10

Respuesta :

Stiaen
Stiaen Stiaen
  • 03-04-2018
(2x² - 8x - 10) ÷ 2 = 0
x² - 4x - 5 = 0
x² + x - 5x - 5 = 0
x(x+1) - 5(x+1) = 0
(x+1)(x-5) = 0
x+1 = 0 or x-5 = 0
x = -1 or x= 5

S = {-1;5}

Answer Link

Otras preguntas

Describe what happened to the first Spaniards to arrive in present day New Mexico and the establishment of Santa Fe?
suppose certain coins have weights that are normally distributed with a mean of 5.315 and a standard deviation of 0.7 to a vending machine is configured to acce
Although social structure acts as a major control mechanism to preserve order, it has little to do with what we actually do, feel, or think. a. True b. False
How would you solve #12?
In 1684, king charles ii annulled the __________ colonial charter.
In what way is the constitution a departure from the original plan for government embraced after the revolution?
maggie's brother is 6 year younger than twice her age. Their sum of their age is 27. How old is maggie.
Please need some help on this one
why did president andrew johson say he vetoed the civil rights act of 1866 ?
What is the population mean or sample mean for 6,10,2,11,14,5