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

Hi can someone solve the inequalities?8y - 5 < 33p + 2 > -10-2 > m/6 -7​
Calculate the resistance of a lamp that draw 0.75 A current when connected to 4.5 V.​
The respiratory system is what brings in food and breaks it down True or false
Which historical interpretation does the source most support? A. European countries had better health care systems than the United States after World War I B. U
Instead of keeping senior citizens in elderly homes it is better to care them at home. justify the statement.​
Which of the following are part of the marketing mix? (Check all that apply)
These grade improvements are confusing me plz help.
or write an essay on "Together everyone achieves much​
When iron pipes come in contact with water and oxygen, iron transfers electrons to the oxygen molecules. Which statement about the reactants is correct? (1 poin
In order to be in the smaller house you must be _ years old and a citizen for _ years