k2a8tomerajNk k2a8tomerajNk
  • 01-02-2017
  • Mathematics
contestada

Find the roots
2x 2 + 4x - 5 =0

Respuesta :

wolf1728
wolf1728 wolf1728
  • 07-02-2017
Use the quadratic formula
x = [-4 +- sqrt (16 - 4*2*-5)] / 4
x1 = [-4 + sqrt (56)] / 4

x2 = [-4 - sqrt (56)] / 4

Answer Link
littledj115
littledj115 littledj115
  • 01-04-2022

Answer:

Unfortunately, I cannot show the work because I got the answer from a friend, but he got

-2 +- root(14)/ 2

Answer Link

Otras preguntas

plz help and explain ty
⭐️ Does anyone know this?
Jamal draws triangle XYZ. If angle X=46 degrees, XZ = 10 degrees, and YZ=8 degrees, what is the approximate length of XY?
On this day in 1879, albert einstein was born in what city and country? at what u.s. college did he teach?
1. a meeting of delegates for the purpose of preparing for an election campaign 2. Person wishes to be a candidate for the party, he will make this announcemen
which product is irrational
Least to greatest 2/9, 21%, 0.21, 11/50
To increase productivity, the clown factory decides to have a contest. the person who completes the most clowns on monday does not have to come to work on tuesd
Which one is it is their more than one answer.? Picture Below.
If Frank can produce either 20 pizzas or 40 cheesecakes per day, the opportunity cost per pizza is equal to how many cheesecakes?