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MATH / This circle passes through the points (−1,2), (3,0) and (9,0). The center of the circle is at (h,k). What is the value of h+k?

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problem

This circle passes through the points (−1,2)(-1, 2), (3,0)(3,0) and (9,0)(9,0). The center of the circle is at (h,k)(h,k). What is the value of h+kh+k?
Plain-text mathematical notation (without MathML)
This circle passes through the points (−1,2), (3,0) and (9,0). The center of the circle is at (h,k). What is the value of h+k?
Original LaTeX notation
This circle passes through the points $(-1, 2)$, $(3,0)$ and $(9,0)$. The center of the circle is at $(h,k)$. What is the value of $h+k$?

level

Level 5

type

Algebra

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Source and history

task_id
89a402b6-9b94-56ce-b213-fcc38aa52e08
task_key
algebra--test--89a402b6-9b94-56ce-b213-fcc38aa52e08
task_revision_id
1
config / split
algebra / test

Official source

initial import