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04-05-2020
Mathematics

contestada

The function y= x2 - 8x - 16 has a _
value of __

Respuesta :

amna04352 amna04352

04-05-2020

Answer:

Minimum; -32

Step-by-step explanation:

y = x² - 8x - 16

y = x² - 2(x)(4) + 4² - 4² - 16

y = (x - 4)² - 16 - 16

y = (x - 4)² - 32

It's a concave up with vertex at (4,-32)

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