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

most expensive cities in the us
All of the following statements about propaganda are TRUE except: A. It may be factual, exaggerated, or completely deceptive. B. It was used by both the US and
when is the next full moon
benefits of lemon water in the morning
what time does shabbat start
Ocean current that cools the West Coast of the United States
irregular galaxy definition
symptoms of type 2 diabetes
which energy transfer is least likely to be found in nature ? A- consumer to consumer B- producer to consumer C-host to parasite D- predator to prey
Open account credit is characterized by __________. no credit limit a monthly credit statement annual billing minimum balance requirements