Msharris
Msharris Msharris
  • 03-06-2017
  • Mathematics
contestada

F(x) =2x^2-20x-3
I need help solving this problem

Respuesta :

Аноним Аноним
  • 03-06-2017
y = 2x² - 20x - 3

Δ = b² - 4.a.c
Δ = (-20)² - 4.(2).(-3)
Δ = 400 + 8
Δ = 408

x =  -b +- √Δ/2a
x = 20 +- 2√102/4
x = 10 +- √102/2
Answer Link

Otras preguntas

Can someone solve and show work possibly?
What is timetablerockstar
Factor −1/4 out of −1/2x−5/4y. The factored expression is .
Write an equivalent time using only the smallest unit. 17. 2 h 26 min (1 point) 131 min 146 min 86 min 133 min HELP NOW PLEASE
rewrite the statement in conditional form. lines with slopes 2/3 and -3/2 are perpendicular ​
In Journey to the Center of the Earth Chapters 19-21 Why was Harry upset at the end of the chapter? A. He thought his uncle was leaving him B. He thought Hans w
Can some help with this ​
how are the silk road routes different from the other trade routes
a box weighing 155 N is pushed horizontally down the hall at constant velocity. the applied force is 83 n what is the coefficient of friction between the box an
Drag the cards to create a three -digit number that matches these rules Note:not all cards will be used