3 years ago

3. Which of the following are the roots of the quadratic function below?

Mathematics

2 answers:

Stels [109]3 years ago

8 0

Answer I don’t know sorry

sergejj [24]3 years ago

4 0

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 = ± $\sqrt{144}$ = ± 12

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