dominique1729 dominique1729
  • 06-04-2020
  • Mathematics
contestada

4x2 - 6x-1 = 0
Help please

Respuesta :

profarouk profarouk
  • 06-04-2020

Good evening

Answer:

x = (3 + √13)/4

or

x = (3 - √13)/4

Step-by-step explanation:

Firstly let’s calculate the discriminant Δ

Δ = (-6)² - 4(4)(-1) = 36 + 16 = 52 then √Δ = √52 = 2√13

then

x = (6 ± 2√13)/8

then

x = (3 ± √13)/4

__________________________

:)

Answer Link

Otras preguntas

Why all integers are not whole numbers?
indian here.........................................................................................................​
Over 850 languages are spoken in Papua New Guinea. True/False
8 --- 14 -- 2 --- 5 2 = ||
PLEASE HELP ME ASAP I NEED HELPPPPPP Below is a conversation between Maria y Diego. Please read and fill in the ‘...’ with the correct form of the verb. (Soy,
Can anyone answer this is full sentences
Sancho and Bolsa 3.1 Quiz: How tall is Sancho? o 5 feet tall o 6 feet tall o 7 feet tall
what role did the press play leading up to the revolution?
Why did Jefferson think the colonies should not obey King George III?​
0.00125mi squared=?ft squared