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3 years ago

Which function is equivalent to g(x) = 9 x2 - 24 x + 16?

Mathematics

1 answer:

GenaCL600 [577]3 years ago

3 0

Answer:

Step-by-step explanation:

discriminant = (-24)² - 4(9)(16) = 0, so there are two identical roots.

That eliminates choices 2 and 4.

Quadratic formula

x = [24 ± √(24² – 4·9·16)] / [2·9]

= 24 / 18

= 4/3

9x² - 24x + 16 = 9(x-4/3)² = (3x-4)²

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