Question 8 (2 points) Find the radius of the circle given by $x^2 - 10x + y^2 + 8y = 19$. Round your answer to 1 decimal place. Your Answer: Answer
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x^2 - 10x + y^2 + 8y = 19 To complete the square for x terms, we need to add (10/2)^2 = 25 to both sides of the equation. x^2 - 10x + 25 + y^2 + 8y = 19 + 25 Simplifying the equation, we get: (x - 5)^2 + (y + 4)^2 = 44 Show more…
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