chatarianesmit chatarianesmit
  • 03-06-2018
  • Mathematics
contestada

Given the equation 2 square root x minus 5 equals 2, solve for x and identify if it is an extraneous solution.

Respuesta :

gmany
gmany gmany
  • 09-06-2018
[tex]\text{The domain}\\x-5\geq0\to x\geq5\\D:x\geq5\\\\2\sqrt{x-5}=2\ \ \ |:2\\\sqrt{x-5}=1\ \ \ |\text{square both sides}\\x-5=1^2\ \ \ \ |+5\\x=6\in D[/tex]
Answer Link

Otras preguntas

what is the definition of Epic in Social Studies
what is 0.2% as a decimal and a fraction
Is there any disadvantage to a government subsidizing domestic firms to make them able to compete in price with cheaper imported goods? No, it helps domestic co
The length of a city block running north to south in NYC is about 5 times 10 to the negative second power miles. The distance from NYC to Mumbai, India is about
Make an equation to solve this problem: Barrys mountain bike weighs 6 pounds more than Andy's. If their bikes weighs 42 pounds altogether how much does barry's
15% of 60 and what is a model for it
what is nine tenths plus four 15ths equal
Which of the following sentences is punctuated correctly? A. Many people who like to go hiking have spent a weekend roaming Yellowstone Park. B. Many people, wh
What does action force mean
Ok what about ring the number that is 10 less than 82