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Hally
 2 years ago
Solve the equation. Identify any extraneous solutions.
sqrt a = 8
A. –64 is a solution of the original equation. 64 is an extraneous solution.
B. 64 is a solution of the original equation.
C. 64 is a solution of the original equation. –64 is an extraneous solution.
D. no solution <<<
Hally
 2 years ago
Solve the equation. Identify any extraneous solutions. sqrt a = 8 A. –64 is a solution of the original equation. 64 is an extraneous solution. B. 64 is a solution of the original equation. C. 64 is a solution of the original equation. –64 is an extraneous solution. D. no solution <<<

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tyteen4a03
 2 years ago
Best ResponseYou've already chosen the best response.1To get rid of square roots, square both sides.

precal
 2 years ago
Best ResponseYou've already chosen the best response.1dw:1359074224200:dwdo just like tyteen4a03 suggested

tyteen4a03
 2 years ago
Best ResponseYou've already chosen the best response.1@Hally The answer is B. Whenever you are raising a number to an even number, the negative sign disappears. (If you need proof just ask.)

Hally
 2 years ago
Best ResponseYou've already chosen the best response.0i know that part thanks! :)

precal
 2 years ago
Best ResponseYou've already chosen the best response.1dw:1359074661681:dwquestion is, is this true?

Hally
 2 years ago
Best ResponseYou've already chosen the best response.0no. sqrt 64 = 8 and 8 is not equal to 8

precal
 2 years ago
Best ResponseYou've already chosen the best response.1then that means that the solution is extraneous

Hally
 2 years ago
Best ResponseYou've already chosen the best response.0oh. so the answer is "64 is a solution of the original equation. –64 is an extraneous solution" .... right?
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