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

can you pleas give me some text trailer ideas
If sin 0 = 4 what is cos O? cos 0 = = Simplify your answer if possible.
How can IgG pass through placenta?
WILL MARK BRAINLIEST PLEASE HELPGraph. f(x)=2|x+1|−1 Use the Ray tool to graph the absolute value function.
Decrease £180 by 12.5%
What's the equation of the graph shown above? OA) 3x - 4y = 4 B) 4x - 3y = 4 OC) 3x - 4y= 1 OD) 4x - 3y= 1
Combine like terms to create an equivalent expression. Enter any coefficients as simplified proper or improper fractions or integers. ​
Word to no Match each term with the phrase that best defines it. economic activity without major restrictions, such as taxes deficit an amount that is more than
selling distribution and account management is very important for flower cultivation justify it ...! help meeeeee​
In same Fig. A-3, a force F, having a slope of 2 vertical 3 horizontal, produces a clockwise moment of 330 ft-lb about A and a counterclockwise moment of 420 ft