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anonymous
 one year ago
If (x – 5) is a factor of f(x), which of the following must be true?
A root of f(x) is x = –5.
B) A root of f(x) is x = 5.
C) Both x = –5 and x = 5 are roots of f(x).
D) Neither x = –5 nor x = 5 is a root of f(x).
anonymous
 one year ago
If (x – 5) is a factor of f(x), which of the following must be true? A root of f(x) is x = –5. B) A root of f(x) is x = 5. C) Both x = –5 and x = 5 are roots of f(x). D) Neither x = –5 nor x = 5 is a root of f(x).

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anonymous
 one year ago
Best ResponseYou've already chosen the best response.0if\[ f(x)=(x5)\times \text{something}\] then \[f(5)=(55)\times \text{something}\] i.e. \[f(5)=0\]

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0since \(f(5)=0\) we say " a root of \(f(x)\) is \(5\)"
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