SOLUTION: Find the equation of the line tangent to the circle x2 + y2 = 25 at point (-1,5). Use the general equation of the line for your final answer.

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Question 1087466: Find the equation of the line tangent to the circle x2 + y2 = 25 at point (-1,5). Use the general equation of the line for your final answer.
Found 3 solutions by ikleyn, Fombitz, MathTherapy:
Answer by ikleyn(52788)   (Show Source): You can put this solution on YOUR website!
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The point (-1,5) does not belong to the circle.

Wake up !!



Answer by Fombitz(32388)   (Show Source): You can put this solution on YOUR website!
Point (-1,5) is not on the circle so it can't have a tangent line.
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Answer by MathTherapy(10552)   (Show Source): You can put this solution on YOUR website!
Find the equation of the line tangent to the circle x2 + y2 = 25 at point (-1,5). Use the general equation of the line for your final answer.
Just plug in/substitute the point to see if it SATISFIES the equation/makes the equation TRUE. You’ll see that it doesn’t satisfy.

Therefore, there’s no point of tangency at (- 1, 5). Hence, no equation exists. 

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