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# Is line y = kx + btangent to circle x^2 + y^2 = 1

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Joined: 31 Jul 2017
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Is line y = kx + btangent to circle x^2 + y^2 = 1  [#permalink]

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05 Feb 2018, 15:00
00:00

Difficulty:

(N/A)

Question Stats:

0% (00:00) correct 100% (00:11) wrong based on 4 sessions

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Is line $$y = kx + b$$ tangent to circle $$x^2 + y^2 = 1$$

I. $$k + b = 1$$
II. $$k^2 + b^2 = 1$$

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Intern
Joined: 27 Sep 2017
Posts: 14
Re: Is line y = kx + btangent to circle x^2 + y^2 = 1  [#permalink]

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05 Feb 2018, 15:18
Hello Rahul singh... Are you from whatsapp target 800group?

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Intern
Joined: 27 Sep 2017
Posts: 14
Re: Is line y = kx + btangent to circle x^2 + y^2 = 1  [#permalink]

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05 Feb 2018, 15:18
I have seen that question there 4 hours ago and solved . E?

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Posts: 49303
Re: Is line y = kx + btangent to circle x^2 + y^2 = 1  [#permalink]

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05 Feb 2018, 20:26
1
rahul16singh28 wrote:
Is line $$y = kx + b$$ tangent to circle $$x^2 + y^2 = 1$$

I. $$k + b = 1$$
II. $$k^2 + b^2 = 1$$

Discussed here: is-line-y-kx-b-tangent-to-circle-x-2-y-134019.html#p1094193

--== Message from the GMAT Club Team ==--

THERE IS LIKELY A BETTER DISCUSSION OF THIS EXACT QUESTION.
This discussion does not meet community quality standards. It has been retired.

If you would like to discuss this question please re-post it in the respective forum. Thank you!

To review the GMAT Club's Forums Posting Guidelines, please follow these links: Quantitative | Verbal Please note - we may remove posts that do not follow our posting guidelines. Thank you.

_________________
Re: Is line y = kx + btangent to circle x^2 + y^2 = 1 &nbs [#permalink] 05 Feb 2018, 20:26
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# Is line y = kx + btangent to circle x^2 + y^2 = 1

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