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OpenStudy (anonymous):
Solve the following quadratic inequality: x^2-10 x+21 >= 0 Write your answer in interval notation.
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OpenStudy (anonymous):
I originally got for the result of the quadratic formula: \[\frac{ 5\pm \sqrt{19} }{ 1 }\] but I'm not sure if that's wrong or I am putting in the interval notation wrong...
OpenStudy (anonymous):
CORRECT
OpenStudy (anonymous):
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