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Mathematics 21 Online
OpenStudy (anonymous):

solve for y, where y is a real number √y-8 = 6

OpenStudy (acxbox22):

square both sides y-8=36 y=44

OpenStudy (anonymous):

No that is wrong

OpenStudy (anonymous):

You need to isolate the irrational first then square both sides.

OpenStudy (solomonzelman):

isolate the irrational ?!?!

OpenStudy (anonymous):

so 44 then?

OpenStudy (acxbox22):

lol

OpenStudy (anonymous):

sq root (y) - 8 = 6. Add 8 to both sides to isolate the irrational. You have sq root (y) = 14. Now square both sides you get y = 144. Which is correct.

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