jriosjr25896
jriosjr25896 jriosjr25896
  • 23-05-2020
  • Mathematics
contestada

What are the solution(s) to the quadratic equation 40 - x2 = 0?
O x = +2/10
O x = +4/10
O x = +2V5
O x = +4/5

Respuesta :

sqdancefan
sqdancefan sqdancefan
  • 27-07-2020

Answer:

  [tex]x=\pm2\sqrt{10}[/tex]

Step-by-step explanation:

You want to solve ...

  [tex]40 -x^2=0\\\\40=x^2\qquad\text{add $x^2$}\\\\\pm\sqrt{40}=x\qquad\text{take the square root}\\\\\boxed{x=\pm2\sqrt{10}}\qquad\text{simplify}[/tex]

Answer Link

Otras preguntas

two offices underneath the jurisdiction of the executive office?
Why are there so much government regulation involving social responsibility?
I have to simplify each expression and justify each step
What is a light vehicle rowed by a paddle called??
Which of the following should NOT be considered while developing a theme statement? a. a general idea b. a plot summary c. a statement regarding an individua
Name two integers that are not also whole numbers
Which of the following can be represented by coordinates x , y? A) Point B) Line C)Line segment D) Plane
What do victor and Walton have in common in Frankenstein?
Help plzzz only 3 and a
In what year was google launched on the web?