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

Checking daughter's homework and need help!  Miguel ordered a party try of sandwiches for a birthday party.  During the party, the quests left 2/5 of the sandwi
A midwestern music competition awarded 35 ribbons. The number of blue ribbons awarded was 3 less than the number of white ribbons. the number of red ribbons was
A midwestern music competition awarded 35 ribbons. The number of blue ribbons awarded was 3 less than the number of white ribbons. the number of red ribbons was
What caused the rise of military government in Japan?
Estimate the angle of elevation from the trailhead to the summit.
A midwestern music competition awarded 35 ribbons. The number of blue ribbons awarded was 3 less than the number of white ribbons. the number of red ribbons was
Estimate the angle of elevation from the trailhead to the summit.
Which of the following are examples of trisomy? Turner Syndrome, Down's syndrome, or Klinefelter's Syndrome
Place the mouse, fruit fly, duck, and gorilla in order of their relatedness to humans, from least related to most related. a. mouse - fruit fly - duck - gorilla b
What is the average of 30, 40, and 80?