Transform the equation to standard form and give the coordinates of the center and the radius.Then graph it. Write your solution in the answer sheet.
1.x^2+y^2-2x-8y-47-0
2.x^2+y^2+4x-4y-28-0
3.x^2+y^2+10x+4y-3-0
4.9x^2+9y^2-12x-6y-31-0
5.4x^2+4y^2-20x+12y-2-0
Answers & Comments
Answer:
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4.) If an integer is divisible 5, the last digit must be 0 or 5.
5.) If the triangle is equilateral