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OpenStudy (anonymous):
Solve 3x^2=21 Find the x-intercepts for f(x)=3x^2-21
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OpenStudy (anonymous):
3x^2 = 21 x^2 = 7 x = +sqrt7, -sqrt7
OpenStudy (anonymous):
so the x-intercepts are the same as the solutions?
OpenStudy (anonymous):
hello?
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