soltmanc55 soltmanc55
  • 07-08-2017
  • Mathematics
contestada

Solve 8x 2 - 2x - 1 = 0

{-1/4, 1/2}
{-1/2, 1/4}
{1/2}

Respuesta :

choixongdong
choixongdong choixongdong
  • 07-08-2017
8x^2 - 2x - 1 = 0
(2x - 1)(4x + 1) = 0
2x - 1 = 0; x = 1/2
4x + 1 = 0;x = -1/4

answer
{-1/4, 1/2}
Answer Link

Otras preguntas

Convert 1203 cubic yards to cubic meters
bagaimana adaptasi tubuh manusia terhadap kadar oksigen yang rendah dipegunungan
Mercury-197 has a half life of 3 days. Starting with 300 grams, how much remains in 3 weeks? (Round to two places)
With 8 and 9 help with these questions
Near the end of the story “The Minister’s Black Veil,” the minister of Westbury pays a visit to Father Hooper. What does the minister mean by the phrase “veil o
Among 10 laptop computers, five are good and five have defects. Unaware of this, a customer buys 6 laptops. (a) What is the probability of exactly 2 defective l
-3(6x+5)=-15+4x what is the work and answer
Ms. Murphy has to select 4 swimmers out of 9 swimmers to create a relay team. In how many ways can she create a relay team? 3,024 6,561 15,120
What contributed To the union victory in the civil war ?
A cone just fits inside a cylinder with volume of 300 cm cubed what is the volume of the cone