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What is the vertex of f(x)=x2-8x-9

What is the vertex of f(x)=x2-8x-9
asked 59.9k views
5 votes
What is the vertex of f(x)=x2-8x-9

asked
User Habizzle
by
8.0k points

1 Answer

4 votes

Answer: (4 , -25)

Explanation:

Rewrite in vertex form and use this form to find the vertex (h , k)

answered
User Cgull
by
7.4k points
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