If (x + 8) is a factor of f (x), which of the following must be true?

A) x = - 8 and x = 8 are roots of f (x).

B) Neither x = - 8 nor x = 8 is a root of f (x).

C) f (-8) = 0

D) f (8) = 0

Question

Mathematics

Xander Lester

22 November, 15:01

If (x + 8) is a factor of f (x), which of the following must be true?

A) x = - 8 and x = 8 are roots of f (x).

B) Neither x = - 8 nor x = 8 is a root of f (x).

C) f (-8) = 0

D) f (8) = 0

+1

Answers (1)

Know the Answer?

Ali Robbins · Answer 1

The answer to the question letter "C. f (-8) = 0". The factor x + 8 gives the value of x = - 8. This means that neither A nor B is the answer to the question. Substituting also - 8 to the value of x can give an answer of f (x) or f (-8) equal to zero.

If (x + 8) is a factor of f (x), which of the following must be true?A) x = - 8 and x = 8 are roots of f (x).B) Neither x = - 8 nor x = 8 is a root of f (x).C) f (-8) = 0D) f (8) = 0

If (x + 8) is a factor of f (x), which of the following must be true?

A) x = - 8 and x = 8 are roots of f (x).

B) Neither x = - 8 nor x = 8 is a root of f (x).

C) f (-8) = 0

D) f (8) = 0