addisoncochenour addisoncochenour

14-03-2018
Mathematics

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If a parabola has its vertex at (4, -2). One of its zeros is 1. What is the other zero?

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sqdancefan sqdancefan

14-03-2018

The line x=4 is halfway between the zeros, so the other one is
  2*4 -1 = 7

The other zero is x=7.

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