Math Problem Statement
x²+y²-16x-8y-20=0 express to standard form
Solution
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Math Problem Analysis
Mathematical Concepts
Algebra
Geometry
Completing the Square
Equations of Circles
Formulas
Completing the square: (x^2 - 2ax) = (x - a)^2 - a^2
Standard form of a circle: (x - h)^2 + (y - k)^2 = r^2
Theorems
Circle Equation Theorem
Suitable Grade Level
Grades 9-10
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