kotayeo
kotayeo kotayeo
  • 02-09-2020
  • Mathematics
contestada

Select the solutions of the equation. x2 + 3.5x - 2 = 0 ​

Select the solutions of the equation x2 35x 2 0 class=

Respuesta :

luisecubero77
luisecubero77 luisecubero77
  • 04-09-2020

Answer:

x₁ = -4

x₂ = 0.5

Step-by-step explanation:

x² + 3.5x - 2 = 0                 * 2

2x² + 7x - 4 = 0 ​

(2x + 8)(2x -1)/2 = 0

2(x + 4)(2x - 1)/2 = 0

(x + 4)(2x - 1) = 0

x + 4 = 0

x₁ = -4

2x - 1 = 0

2x = 1

x₂ = 1/2

x₂ = 0.5

Answer Link

Otras preguntas

29 percent as a fraction in simplest form
What invention most helped to make the shift to large plantations throughout the Deep South profitable? the textile mill the mechanical reaper the cotton gin t
If a mother carries a recessive allele for a genetic disorder, such as cystic fibrosis, under what circumstances will her children inherit the disorder?
The streams and smaller rivers that feed into a main river are its (blank)?
the Crimean war was the result of a struggle between ... and the ... ?
What type of crop plantations proved to provide slaves with the worst living conditions?
Melanie swam 918 meters in 3 days if she swam the distance each day how many far did melanie swim in one day
I an confused need help on number 6
here is the whole question cooking oils contains unsaturated fats. unsaturated fats are more healthy than saturated fats. unsaturated fats change bromine wate
Harriet Beecher Stowe's novel Uncle Tom's Cabin Answer was hailed as a marvelous work in the South. communicated the ills the industrial North posed on workers.