If (x - 5) is a factor of f (x), which of the following must be true?

A root of f (x) is x = - 5.

A root of f (x) is x = 5.

Both x = - 5 and x = 5 are roots of f (x).

Neither x = - 5 nor x = 5 is a root of f (x).

Question

Magdalena Mathis

18 January, 13:38

+5

Answers (1)

Know the Answer?

Julia Murillo · Answer 1

A root of f (x) is x = 5, since you have to equate the factor (x-5) to 0, which gives you 5 for x.

If (x - 5) is a factor of f (x), which of the following must be true?A root of f (x) is x = - 5.A root of f (x) is x = 5.Both x = - 5 and x = 5 are roots of f (x).Neither x = - 5 nor x = 5 is a root of f (x).