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find equation of a parabola having vertex (-2,3) and (-6,5)

how do I do this problem, please help. Thank you.

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Robert J. | Certified High School AP Calculus and Physics TeacherCertified High School AP Calculus and Ph...
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Using vertex form,

y = a(x+2)^2 + 3

Plug in (-6, 5),

5 = a(-6+2)^2 + 3 => a = 1/8

Answer: y = (1/8)(x+2)^2 + 3