SOLUTION: Give the center of the circle with the equation x^2 + 2x + y^2 + 22 = 0 i came up with (-1, 5) from the book. the other answers are (2, 4) (1, 5) (-2, 4) am i right?

Question 98282: Give the center of the circle with the equation x^2 + 2x + y^2 + 22 = 0
i came up with (-1, 5) from the book. the other answers are (2, 4) (1, 5) (-2, 4) am i right?
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
Start with the given equation

Subtract 22 from both sides

Take half of 2 to get 1. Now square 1 to get 1.

Add the result 1 to both sides

Combine like terms

Here's where we run into problems. The right side number represents the radius of the circle. However, a negative number does not work for the radius (a length doesn't make sense). So check your problem again and make sure you entered your problem correctly.
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