nananananana56 nananananana56

01-12-2019
Mathematics

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3. Which of the following are the roots of the quadratic function below?
Select all that apply.
f(x) = x2 - 144
12
2

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jimrgrant1 jimrgrant1

01-12-2019

Answer:

x = ± 12

Step-by-step explanation:

Given

f(x) = x² - 144

To find the roots set f(x) = 0, that is

x² - 144 = 0 ( add 144 to both sides )

x² = 144 ( take the square root of both sides )

x = ± [tex]\sqrt{144}[/tex] = ± 12

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