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

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

The other zero is x=7.
If a parabola has its vertex at (4, -2). One of its zeros is 1. What is the other-example-1
User PersyJack
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