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Mathematics 7 Online
OpenStudy (anonymous):

A real root r of the equation P(x)=0 exists between a and b when P(a) and P(b) have ____________________ signs?

OpenStudy (anonymous):

positive?

jimthompson5910 (jim_thompson5910):

hint: http://demo.activemath.org/ActiveMath2/LeAM_calculusPics/RootTheorem.png?lang=en

OpenStudy (anonymous):

|dw:1424137027671:dw|

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