yamibunnywoohoo438 yamibunnywoohoo438
  • 13-09-2017
  • Mathematics
contestada

select whether the equation has a solution or not.

square root x - 5 = 4

a. roots
b. no roots

Respuesta :

JonHenderson55
JonHenderson55 JonHenderson55
  • 14-09-2017
The answer is:  [A]:  "roots".
_____________________
  Note:  √(x+5) = 4 ;

Square each side:

[√(x+5)] ²  = 4²  ;

x + 5 = 16 ; 

Subtract "5" from each side of the equation; 

x + 5 - 5 = 16 - 5 ;

to get:  x = 11 ; 

So, yes; there is a solution.
_______________________________________
Answer Link

Otras preguntas

Which of the following prefixes is best for measuring large quantities like the mass of a person? milli kilo deci deca
Explain the transition from the Roman society to medieval society. Politically, Socially, Religiously, and economically. How did this thing change Rome to a med
What is 7% tax on a $9.79 purchase
What is 7% tax on a $9.79 purchase
I Am A Number That Is Double The Product Of 2 And 7. One Of My Factors Is 7 What Is My Other factor
what is 2.5 % of 16 ?
facts about the Virginia plan
How do you multiply to find an equivalent fraction of. 3/10
what is 33 1/2 of 24 and 37 1/2 of 80 and finally, what is 66 2/3 of 45
List four methods that can be used to separate mixtures and give an example of each method?