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  • 3 years ago

the root and vertex of y=(x-4)(x+4) ???? help!

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  1. Mertsj
    • 3 years ago
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    The roots are 4 and -4. You find the roots by setting the factors equal to 0 and solving. Since the parabola is y= x^2-16, we see that the vertex is (0,-16)

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