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Paladin
Paladin asked in Science & MathematicsMathematics · 1 decade ago

Need help with an algebra problem?

For what values of k is the straight line y = kx + 1 a tangent to the circle with the origin at (5, 1) and a radius of 3 (r = 3)?

I'm just not sure how to approach this problem.

Update:

sorry (raj) i want to know the answer and the process

1 Answer

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  • raj
    1 decade ago
    Favorite Answer

    5k-1+1/sqr(k^2+1)=3

    5k=3sqrt(k^2+1)

    calculate the rest ur self

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