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

Which of the following are you most likely to need when recovering an escaped cat? A. A head snare B. A cat bag C. Pepper spray D. Restraint gloves
A sentence that expresses a complete thought and has one subject and one predicate is a _____.
What is greater, 5/7 or 4/6?
tranmission of light signals through optical fiber
What did the Puritans, Quakers, and Catholics living in England in the 1600s all have in common?
Find the inverse of each function 1) g (x)= 3+(x-1)^3 4) f (x)=x^3+2 5) f (n)= 5 square root of (-n+1/2)
Round this weights to one decimal place 31.61 kg 2.25 kg. 23.29 g Can you help me guys with this question?
(I SCREENSHOT THE WHOLE THING. PLS PLS HELP D: )
Solve the simultaneous equations: 4x+3y=16 5x-y=1
Change 1.4 to a fraction. 1/4 1 1/4 1 1/2 1 2/5