skylarbanks skylarbanks
  • 14-05-2019
  • Mathematics
contestada

Solve 2x2 + x − 4 = 0. x2 + x + = 0

Respuesta :

marielygotjugo
marielygotjugo marielygotjugo
  • 14-05-2019

Answer:

2x^2+x-4=0

x^2+\dfrac12x-2=0

x^2+\dfrac12x+\dfrac1{16}-\dfrac{33}{16}=0

\left(x+\dfrac14\right)^2=\dfrac{33}{16}

x+\dfrac14=\pm\dfrac{\sqrt{33}}4

x=\dfrac{-1\pm\sqrt{33}}4

Step-by-step explanation: lol tooooo much ∅∞

Answer Link
NakiaDunn84
NakiaDunn84 NakiaDunn84
  • 01-09-2021

Answer:

1/2 and -2 are the first answers to the question

1/16 and 1/16 are the next answers  

1/4 and 33/16 are the last ones

and for the multiple choice answer which is last is A

Step-by-step explanation:

Answer Link

Otras preguntas

where does the efficienty occur maximum? what will be a condition of maximum efficienty?​
why is it so difficult for the results of one experiment to become a theory
According to the bill of rights, a person accused of a crime
how is temperature below zero degrees centigrade affect cell permeability
What is sin(A)? 13 12 A 5 sin(A) =
How does bleaching of coral reefs impacts the hydrosphere
How tall is the tower? 48° 16 ft -30 ft [?] ft Round to the nearest tenth.
solve with steps plz​
Subject: Science Help is appreciated! No links pls! Will mark brianliest if correct! Thxs! :D Which of these is NOT an influence on climate? A. large bodies o
Please help me which expresión is equivalent 2^2 times 2/2^4 pls don’t tell me to go to a website just show me how to do it or tell me if it’s a ,b , c or d