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

Much of Hemingway’s work indicates his obsession with __________. -relationships -future justice -death -choices
Drawing electoral-district boundaries in a way to favor a particular group is called? A. gerrymandering B. redistricting C. cheating D. salamandering User: n w
When evaluating the usefulness of information, you want to make sure a. it is up to date. c. it can be used more than once. b. it is an advertisement. d. all of
0.44 in scientific notation
Which leader was an influential Republican president during the Civil War who signed the document to end slavery in the US? a. Abraham Lincoln b. Ulysses S. G
How did Britain want to raise money after the French and Indian War? By selling resources from the colonies By taxing the colonists By trading with the Native A
_____ are the cost of borrowing money. a. Job networks b. Interest rates c. Business cycles d. Unemployment phases
What is the study of the structure of the universe?
need help unscrambling a spanish sentence: "clases / esta / tienes / qué / tarde
7 ballons cost $9.1 what is the unit rate?