demangal demangal
  • 18-05-2021
  • Mathematics
contestada

Find the solutions to the quadratic equation below by completing the square.

x2 - 8x - 7 = 0

Respuesta :

zyncreasguides zyncreasguides
  • 18-05-2021

Answer:

x=4-[tex]\sqrt{23}[/tex], x=4+[tex]\sqrt{23}[/tex]

Step-by-step explanation:

(x^2-8x+16)-16-7=0

(x-4)^2=23

x=4-[tex]\sqrt{23}[/tex], x=4+[tex]\sqrt{23}[/tex]

Answer Link

Otras preguntas

15 PTS WILL GIVE BRAINLIEST!!!!!!!!!!!!!!!!!!!!!!!!!!3. How many solutions does the system of equations have? 3x = –12y + 15 and x + 4y = 5? A.)one B.)two C.)in
12. Review the excerpt I started to clean everything up, and that was when I noticed something else weird. In the middle of all of that glass was a little envel
Find the nth term formula for the following sequence: 3,9, 19, 33, 51, ... nth term= What is it?
Person who wants to get in shape goes to a local gym that advertises 26 training sessions for $909. Find the cost of 118 training sessions. Round your answer to
9. What would be the pupil size and lens shape of a person reading a mobile phone text message in a brightly-lit room? pupil size lens shape large fat large thi
In the function of the lac operon in E. coli, the lac genes are transcribed in the presence of lactose because 1. RNA polymerase binds to the operator. 2. the r
The use of which of the following has decreased over the years because backplane bus speeds and centralized switch fabric capacities have increased?
​What year was shakes spear born
what was the first social work education program​
Question 1 please help ASAP