caseyharpole caseyharpole

27-12-2017
Mathematics

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How many roots does this equation have? x^2 = 64 and - infinity < x < or = 0

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icedipping icedipping

27-12-2017

1 root.

x^2 = 64 has 2 roots, -8 and 8.

But x is less than 0, so only -8 is a root.

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