angelmendoza109715 angelmendoza109715

17-01-2021
Mathematics

contestada

if x = -3 is a zero of f(x), which of the following must be true?
a) A factor of f(x) is (x – 3)
b) A factor of f(x) is (x + 3)
c) x = 3 is also a zero
d) f(x) has no real solutions

if x 3 is a zero of fx which of the following must be true a A factor of fx is x 3 b A factor of fx is x 3 c x 3 is also a zero d fx has no real solutions class=

Respuesta :

bluegreen24 bluegreen24

17-01-2021

Answer: B

Step-by-step explanation: You make the values in the parentheses equal to zero.

(X + 3) = 0

X = -3

A is wrong because the root would be 3, not negative 3. C is wrong because 3 isn’t guaranteed to be a root. D is wrong because -3 is a real solution.

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