Which of the following is not a zero of the function shown below?
2 answers:
Answer:
B
Step-by-step explanation:
For a number to be a zero of the polynomial, the function has to be equal to 0 if we were to plug in the number into x.
Let's find each:
plugging in x = -2 into the function:
so this is a zero.
Plugging in x = 2 into the function:
This is NOT a zero
Plugging in x = 4 into the function:
this is a zero
Plugging in x = -4 into the function:
this is a zero
hence, x = 2 in NOT a zero, answer choice B is right
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