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Mathematics 23 Online
OpenStudy (anonymous):

Solve the equation by taking square roots. 1) 8k^2+7=119

OpenStudy (lgbasallote):

isolate the square first so... 8k^2 = 112 2k sqrt 2 = 4 sqrt 7 divide both sides by 2 sqrt 2 k = 2 sqrt 7/sqrt 2 rationalize... k = sqrt 14

OpenStudy (anonymous):

gee thanks!

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