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- Khan academy Due April 235d Algebra 2: Virtual Learning Name Circle Worksheet: HW #1 Period Write the problems on your own paper and show all work for full credit Your homework will be graded for completion. Find an equation of the circle with the given center and radius. 1. (3,0); 3 2. (6,1); V2 3. (- 5, 3); - 4. (-3,1); 5 5. (0,0); 12 6. (-4, -2);10 If the given equation is a circle, find its center and radius. If the equation is not a circle, say so. 7. x2 + 2 - 16=0 8. x2 + y2 = -8y 9. x2 + 2 + 8x+ 2y+18=0 10. x2 + y2 + 10x - 4y + 20 =0 Identify the following: a. Is the circle solid or dashed? b. Does the shading occurs inside or outside the circle? 11. x2 + y2 2 1 12. x2 + y2 + 4x - 10y