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In the function f(x) = 4(x2 − 6x + ____) + 20, what number belongs in the blank to complete the square?

Respuesta :

ghanami
hello :
f(x) = 4(x2 − 6x + 3² - 3²____) + 20 = 4((x2 − 6x + 3²) - 3²____) + 20
      = 4(x-3)² -36+20
f(x) = 4(x-3)² -16 (vertex form)

jugalator

Answer:

9

Step-by-step explanation:

I Promise :)

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