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

Although social structure acts as a major control mechanism to preserve order, it has little to do with what we actually do, feel, or think. a. True b. False
How do you turn 3y-x=6 Into y=Mx+b form
Rhianna says she can draw different functions that have the same x‑intercepts and the same domain and range. Her teammates say, “No, that’s impossible!” But R
Please helppp!!!!!!!!!
#25 please and thank you so much
What is the primary muscle used in a dumbbell incline bench chest press?
Frequency counts and running records are good tools for observing the social and emotional domain. True False
what does homeostasis mean.
What connects the two hemispheres of the cerebellum?
An object moves 2.5 m. This is an example of a _______. Question 3 options: distance direction speed velocity