Which of the following is not a zero of the function shown below?

a. -2
b. 2
c. 4
d. -4

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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step-by-step explanation

2r= 2300

r =1150