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

Victor borrowed money at 5.25 percent simple annual interest. At the end of the year, the interest on the loan is $255.94. What was the amount of the loan?
7.75% of $9,000 = 69,750.00 6,975.00 69.75 697.50
write 120% as a fraction.
Temperature has a(n) _____ effect on the pressure and volume of a gas. A. direct B. inverse C. positive D. negative
If you multiply me by 7 add 1 and then divide by 4 you get 9 what number am I?
Which of the following is NOT a type of verbal phrase?
An equilibrium is not changed by a change in pressure. a. True b. False
What American writer is the eighth child of Georgia sharecroppers?
Go math chapter 5 5.4 I need help please PICTURE SHOWN
One way the incas adapted their environment was by