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Question

Difficulty Level:

Easy

MCQ

Given $f(x)=x^2-36$ , which statement is true?

Select all that apply :

The zeros, $-6$ and $6$ , can be found when $0=(x+6)(x-6)$ .

The only zero, $6$ , can be found when $0=(x-6)(x-6)$ .

The only zero, $18$ , can be found when $0=(x-18)(x-18)$ .

The zeros, $-18$ and $18$ , can be found when $0=(x+18)(x-18)$ .

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