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5 votes
If h (r) =2/3r -6 what is the value of h(-9)

User Hermann
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1 Answer

3 votes

Answer:

is x2 + y2 + 2gx +2fy + c = 0. The centre of the circle is (-g, -f) and the radius is √(g2 + f2 - c). Completing the square. Given a circle in the general form you can complete the square to change it into the standard form.

Explanation:

User Sandeep Nehte
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