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OpenStudy (hippoharry):
Find the discriminant of the following equation. 9x^2 + 12x + 4 A. -123 B. -24 C. 288 D. 0
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OpenStudy (erak):
b^2 - 4ac, same thing.
OpenStudy (hippoharry):
wait so i divide by 2?
OpenStudy (erak):
If b = 12, a = 9, and c = 4, plug those numbers into that formula.
OpenStudy (hippoharry):
is the answer 0?
OpenStudy (erak):
yes
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