ExplainItLikeImFive
  • ExplainItLikeImFive
Solve the equation. Identify any extraneous solutions.
Mathematics
  • Stacey Warren - Expert brainly.com
Hey! We 've verified this expert answer for you, click below to unlock the details :)
SOLVED
At vero eos et accusamus et iusto odio dignissimos ducimus qui blanditiis praesentium voluptatum deleniti atque corrupti quos dolores et quas molestias excepturi sint occaecati cupiditate non provident, similique sunt in culpa qui officia deserunt mollitia animi, id est laborum et dolorum fuga. Et harum quidem rerum facilis est et expedita distinctio. Nam libero tempore, cum soluta nobis est eligendi optio cumque nihil impedit quo minus id quod maxime placeat facere possimus, omnis voluptas assumenda est, omnis dolor repellendus. Itaque earum rerum hic tenetur a sapiente delectus, ut aut reiciendis voluptatibus maiores alias consequatur aut perferendis doloribus asperiores repellat.
chestercat
  • chestercat
I got my questions answered at brainly.com in under 10 minutes. Go to brainly.com now for free help!
ExplainItLikeImFive
  • ExplainItLikeImFive
1 Attachment
ExplainItLikeImFive
  • ExplainItLikeImFive
A. 6 is a solution to the original equation. The value –5 is an extraneous solution. B. 6 and 5 are both extraneous solutions. C. 5 is a solution to the original equation. The value –6 is an extraneous solution. D. 6 and –5 are solutions.
dan815
  • dan815
do u know the meaning of extraneous

Looking for something else?

Not the answer you are looking for? Search for more explanations.

More answers

ExplainItLikeImFive
  • ExplainItLikeImFive
That it's unrelated, I think.
cwrw238
  • cwrw238
square both sides x^2 = x+ 30 x^2 -x - 30 = 0 can u solve this?
ExplainItLikeImFive
  • ExplainItLikeImFive
Ill try
cwrw238
  • cwrw238
extraneous means that although the working out gives it as a solution , it is not possible as a root
ExplainItLikeImFive
  • ExplainItLikeImFive
5 and 6?
cwrw238
  • cwrw238
not quite (x - 6)(x + 5) = 0 giving x = 6 , -5
ExplainItLikeImFive
  • ExplainItLikeImFive
So what do I do with that?
cwrw238
  • cwrw238
well see if these roots are possible by substituting each into the original equation
cwrw238
  • cwrw238
eg x = 6 6 = sqrt(6 + 30) 6 = 6 - so that is a genuine root
ExplainItLikeImFive
  • ExplainItLikeImFive
So I can eliminate B and C
cwrw238
  • cwrw238
yes
cwrw238
  • cwrw238
is -5 a solution?
ExplainItLikeImFive
  • ExplainItLikeImFive
I dont think so.
cwrw238
  • cwrw238
try plugging in -5 for x in the original equation
cwrw238
  • cwrw238
- 5 = sqrt (-5 + 30) does that work out?
ExplainItLikeImFive
  • ExplainItLikeImFive
No
cwrw238
  • cwrw238
what are the square roots of 25?
cwrw238
  • cwrw238
5 ANd -5 right?
ExplainItLikeImFive
  • ExplainItLikeImFive
Yes
cwrw238
  • cwrw238
so its a genuine root
ExplainItLikeImFive
  • ExplainItLikeImFive
So they're both genuine making them both solutions.
cwrw238
  • cwrw238
right
ExplainItLikeImFive
  • ExplainItLikeImFive
I do believe I'd pick D
cwrw238
  • cwrw238
correct
ExplainItLikeImFive
  • ExplainItLikeImFive
Thank you very much.
cwrw238
  • cwrw238
yw
anonymous
  • anonymous
wrong.
cwrw238
  • cwrw238
please explain why thats wrong
anonymous
  • anonymous
ask the teacher, I answered D and I got it wrong.
dan815
  • dan815
hii
dan815
  • dan815
|dw:1377219675010:dw|
dan815
  • dan815
is this your question?
dan815
  • dan815
oh sorry this is your question |dw:1377219778699:dw|
dan815
  • dan815
your answers are 6 and -5!
dan815
  • dan815
|dw:1377219879123:dw|
anonymous
  • anonymous
The right answer should be 6 is a solution to the original equation. The value –5 is an extraneous solution.

Looking for something else?

Not the answer you are looking for? Search for more explanations.