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Viefleur [7K]
3 years ago
5

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

Mathematics
1 answer:
Shkiper50 [21]3 years ago
6 0
Hello :
f(x) = 4(x2 − 6x + 3² - 3²____) + 20 = 4((x2 − 6x + 3²) - 3²____) + 20<span>
      = 4(x-3)² -36+20
</span>f(x) = 4(x-3)² -16 (vertex form)

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