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Elizabeth Tadvick

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- 1. Multiple Choice30 seconds1 ptIn the equation (x-3)
^{2}+(y-2)^{2}=16, the center of the circle is...(3,2)(-3, -2)(-2, -3)(2, 3) - 2. Multiple Choice1 minute1 ptIn the equation (x-4)
^{2}+(y-3)^{2}=25, the radius is43525 - 3. Multiple Choice30 seconds1 ptWhich graph corresponds to

(x-8)^{2}+ (y+2)^{2}=ABCD - 4. Multiple Choice1 minute1 ptWhich graph corresponds to

(x)^{2}+ (y-6)^{2}=9ABCD - 5. Multiple Choice5 minutes1 ptWhat is the equation for the circle, if it has diameter endpoints at (3,-4) and (-5,-4)?(x+1)² + (y+4)² = 16(x+1)² + (y-4)² = 16(x-1)² + (y-4)² = 16(x+1)² + (y+4)² = 16
- 6. Multiple Choice1 minute1 ptWrite the equation of a circle with center (7, 0) with radius 3.(x -
^{}7)^{2}+ y^{2}= 9x^{2}+ (y -7)^{2}= 9(x - 7)^{2}+ y^{2}= 3x^{2}+ (y -7)^{2}= 3 - 7. Multiple Choice45 seconds1 ptWhat is the center of the circle with equation x
^{2}+ y^{2}= 1?(1, 1)(0, 0)not enough information - 8. Multiple Choice3 minutes1 ptWhat is the equation of the circle, with centre (a,b) and radius r units?(x - a)
^{2}+ (y - b)^{2}= r^{2}^{}(x + a)^{2}+ (y + b)^{2}= r^{}(x - a)^{2}+ (y - b)^{2}= r^{}(x + a)^{2}+ (y + b)^{2}= r^{2}^{} - 9. Multiple Choice1 minute1 ptWhat is the equation for this circle?(x+1)+(y+1)=9x²+y²=9x+y=9
- 10. Multiple Choice5 minutes1 ptABCD
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