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

Color: 4. You have 4 dimes, 8 nickels, 5 pennies, and 3 quarters. You draw three coins one after the other without replacement. What is the probability you draw
how do our law enforcement personnel serve, protect, and keep our communities safe this holiday season?​
A 17-year-old girl is hospitalized for appendicitis, and her mother asks the nurse why she is so needy and acting like a child. The best response of the nurse i
The artist who first successfully combined folk music and rock music was: a. Tony Rice. b. Stephen Foster. c. Garth Brooks. d. Bob Dylan.
Which country experienced a civil war in 2005?a) Egyptb) Kenyac) South Africad) Sudan
interested to talk with man​
Why did Osama Bin Laden and Al-Qaeda plan and execute the September 11th, 2001 attacks on the U.S.
Define network list the elements of network
I am a grade 9 student currently studying biology, chemistry and more as my electives. \ desire to be a doctor and is amazed by the human body and structures of
The bottom of liz's favorite teacup has a radius of 4 centimeters. what is the circumference of the bottom of the teacup?