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OpenStudy (anonymous):
What is the value of b^2 - 4ac for the following equation? x2 + 5x + 4 = 0 9?
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sam (.sam.):
yes
OpenStudy (lgbasallote):
\[\implies (5)^2 - 4(1)(4) \implies 25 - 16 \implies 9\] you're right
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