Mathematics, 18.03.2021 03:10, deannajd03
If a parabola has x-intercepts at 13 and -21, what is the x-coordinate of its vertex
Answers: 2
(where 
and 
are the x-intercepts)
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If a parabola has x-intercepts at 13 and -21, what is the x-coordinate of its vertex...
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