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A circle has equation x²+ y²=25
The point P with coordinates (-3, 4) lies on the circle.
Alex says that the tangent to the circle at P crosses the x-axis at the point (-8, 0)
Is Alex correct?
You must show how you get your answer.

A circle has equation x y25 The point P with coordinates 3 4 lies on the circle Alex says that the tangent to the circle at P crosses the xaxis at the point 8 0 class=

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