SOLUTION: Find all points having an x-coordinate of 2 whose distance from the point (-2,-1) is 5.

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Question 43214This question is from textbook
: Find all points having an x-coordinate of 2 whose distance from the point (-2,-1) is 5. This question is from textbook

Answer by Nate(3500) About Me  (Show Source):
You can put this solution on YOUR website!
P(-2,-1) and P(2,y)
d+=+sqrt%28%28x2+-+x1%29%5E2+%2B+%28y2+-+y1%29%5E2%29
5+=+sqrt%28%282+%2B+2%29%5E2+%2B+%28y2+%2B+1%29%5E2%29
25+=+%284%29%5E2+%2B+%28y2+%2B+1%29%5E2
25+=+16+%2B+%28y2+%2B+1%29%5E2
9+=+%28y2+%2B+1%29%5E2
3+=+y2+%2B+1 and -3+=+y2+%2B+1
2+=+y2 and -4+=+y2
P(2,2) and P(2,-4)