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ExplainItLikeImFive
 3 years ago
Solve the equation. Identify any extraneous solutions.
ExplainItLikeImFive
 3 years ago
Solve the equation. Identify any extraneous solutions.

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ExplainItLikeImFive
 3 years ago
Best ResponseYou've already chosen the best response.0A. 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
 3 years ago
Best ResponseYou've already chosen the best response.0do u know the meaning of extraneous

ExplainItLikeImFive
 3 years ago
Best ResponseYou've already chosen the best response.0That it's unrelated, I think.

cwrw238
 3 years ago
Best ResponseYou've already chosen the best response.1square both sides x^2 = x+ 30 x^2 x  30 = 0 can u solve this?

cwrw238
 3 years ago
Best ResponseYou've already chosen the best response.1extraneous means that although the working out gives it as a solution , it is not possible as a root

cwrw238
 3 years ago
Best ResponseYou've already chosen the best response.1not quite (x  6)(x + 5) = 0 giving x = 6 , 5

ExplainItLikeImFive
 3 years ago
Best ResponseYou've already chosen the best response.0So what do I do with that?

cwrw238
 3 years ago
Best ResponseYou've already chosen the best response.1well see if these roots are possible by substituting each into the original equation

cwrw238
 3 years ago
Best ResponseYou've already chosen the best response.1eg x = 6 6 = sqrt(6 + 30) 6 = 6  so that is a genuine root

ExplainItLikeImFive
 3 years ago
Best ResponseYou've already chosen the best response.0So I can eliminate B and C

ExplainItLikeImFive
 3 years ago
Best ResponseYou've already chosen the best response.0I dont think so.

cwrw238
 3 years ago
Best ResponseYou've already chosen the best response.1try plugging in 5 for x in the original equation

cwrw238
 3 years ago
Best ResponseYou've already chosen the best response.1 5 = sqrt (5 + 30) does that work out?

cwrw238
 3 years ago
Best ResponseYou've already chosen the best response.1what are the square roots of 25?

ExplainItLikeImFive
 3 years ago
Best ResponseYou've already chosen the best response.0So they're both genuine making them both solutions.

ExplainItLikeImFive
 3 years ago
Best ResponseYou've already chosen the best response.0I do believe I'd pick D

ExplainItLikeImFive
 3 years ago
Best ResponseYou've already chosen the best response.0Thank you very much.

cwrw238
 2 years ago
Best ResponseYou've already chosen the best response.1please explain why thats wrong

anonymous
 2 years ago
Best ResponseYou've already chosen the best response.0ask the teacher, I answered D and I got it wrong.

dan815
 2 years ago
Best ResponseYou've already chosen the best response.0oh sorry this is your question dw:1377219778699:dw

dan815
 2 years ago
Best ResponseYou've already chosen the best response.0your answers are 6 and 5!

anonymous
 2 years ago
Best ResponseYou've already chosen the best response.0The right answer should be 6 is a solution to the original equation. The value –5 is an extraneous solution.
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