Q. Write the equation in standard form for the circle x2+y2−9=0._____
Isolate variables and constant: The given equation is x2+y2−9=0. To write this equation in standard form, we need to isolate the terms with variables on one side and the constant on the other side.
Add 9 to both sides: Add 9 to both sides of the equation to move the constant term to the right side.x2+y2−9+9=0+9
Simplify to standard form: Simplify both sides of the equation to get the standard form. x2+y2=9
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