tashiabrad18 tashiabrad18
  • 04-05-2018
  • Mathematics
contestada

square root 2x+1 +3=0 is x=4 Do you agree? Explain why or why not

Respuesta :

Stiaen
Stiaen Stiaen
  • 04-05-2018
False !

If [tex]x=4:[/tex]

[tex] \sqrt{2(4)+1+3}= \sqrt{12}\\\\\sqrt{12}\neq0[/tex]

In fact, the true answer is [tex]x=-2[/tex]

[tex]\sqrt{2x+1+3}=0\\\\\sqrt{2x+4}=0\\\\2x+4=0\\2x=-4\\x=-2[/tex]

Answer Link
braidlynatkinso
braidlynatkinso braidlynatkinso
  • 04-05-2018
X is not 4
The correct answer would be x=-2
2x+1+3=0
2x+4=0
-4 -4
2x= -4
2 2
X=-2

Hope this helps!
Answer Link

Otras preguntas

What does the college Juilliard look like?????
what was the gaspee?
Identify the word that has an error in capitalization. During the February trial, judge Marilyn Stuart was fair and objective. A. February B. trial C. judge
The Pythagorean theorem
The governor of a state can call-up the National Guard to protect lives and property in times of emergency because the state has authority to __________. declar
lisa mixed 4 2/6 cups of orange juice with 3 1/6 cups of pineapple juice to make fruit punch. she and her friends drank 3 4/6 cups of the punch. how much of th
What is the forest vegetation ??? urgent? !!!
why did americans want to cut back immigration
explain what the union navy and army did to maintain or make progress on steps 1 and 2 of the anaconda plan from 1862 to 1863
whats the capital of arkasas