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Mathematics 7 Online
OpenStudy (anonymous):

A parabola always has at least one and at most two zeros.

OpenStudy (anonymous):

true or false?

OpenStudy (mertsj):

false. It may have no zeros

OpenStudy (mertsj):

|dw:1338764315448:dw|

OpenStudy (mertsj):

no zeros. concave upward. vertex above x axis

OpenStudy (anonymous):

ty @Mertsj

OpenStudy (anonymous):

false. :)

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