angieom2004 angieom2004

18-11-2020
Mathematics

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Determine the vertex of j(x) = (x - 8)(x + 3)

Respuesta :

18-11-2020

Answer:

5/2 and -121/4

Step-by-step explanation:

j(x) = x^2 - 5x - 24

j(x) = x^2 - 5x + (-5/2)^2 -(-5/2)^2 - 24

j(x) = (x-5/2)^2 -(-5/2)^2 - 24

j(x) = (x-5/2)^2 - 121/4

Hope it helped!!!

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