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OpenStudy (anonymous):
The equation -5x² + 72x + 378 models the number of students enrolled in a school where x is the number of years since the school first opened in 1990. In which year were 502 students enrolled? a) 1992 b) 2002 c) 1998 d) 1996
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OpenStudy (anonymous):
-5x² + 72x + 378 =502 solve for x
OpenStudy (anonymous):
2
OpenStudy (anonymous):
add that to 1990
OpenStudy (anonymous):
Thank you. c:
OpenStudy (anonymous):
np
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