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Mathematics 15 Online
OpenStudy (anonymous):

y = x2 - 18x + 81 What is the x-intercept of the graph of the equation above?

OpenStudy (anonymous):

To find the x-intercept, we have to factor that equation. How do we do that?

OpenStudy (anonymous):

\[(x-9)^{2} \rightarrow x=9\]

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