bewellplus.gsu.edu
zaymora zaymora
  • 31-05-2016
  • Mathematics
Answered

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

Verified Answer :

meerkat18
meerkat18 meerkat18
  • 08-06-2016

f(x) = 4(x² - 6x + ___) + 20

completing the square.

a² + 2ab + b²

a² = x² = x x
2ab = -6x =  2x* -3
b² = -3² = 9

f(x) = 4(x² - 6x + 9) + 20
f(x) = 4x² - 24x + 36 + 20
f(x) = 4x² - 24x + 56

Answer Link
jvkvmj jvkvmj
  • 15-06-2021

Answer:

9

Step-by-step explanation:

Answer Link

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