dayariramirez3 dayariramirez3

14-02-2021
Mathematics

contestada

whats the radius for 3(x-1)^2+3(y+3)=243

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christzhang55 christzhang55

14-02-2021

3(x-1)2+3(y+3)=243
3(x-1)2+3y+9=243
3(x2-1)+3y+9=243
3x2-3+3y+9=243
32+3y-3+9=243
32+3y=243+3-9
3y(y+1)=237

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