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

Which is not a characteristic of the absolute value parent functionA. it is v-shapedB. the range is all real numbersC. it goes through the originD. the domain i
read each sentence and select the word after which a colon should be placed
Suppose the measures of the interior angles of convex quadrilateral are four consecutive odd numbers. find the measure of the largest angle.
How are tropical rainforests and temperate forests different? A. Temperate forests are closer to the equator. B. Temperate forests are more productive.
having a bent thumb is a recessive human trait
Define False Claim Act
Which phrase best completes the following sentence? Il n’est pas bien de ____________. A) partager quand on mange B) se lever avant tout le monde C) s’assoi
What was an effect of United States actions in the Yom Kippur War
Need help with this question plzzzz!!!!!
Select the correct text in the passage. Which word in this excerpt from Homer's Odyssey means "lands" or "kingdoms"? Till now from sea or flood no succour found