~ Review: Tangent Lines & Parametric Equations - Review:...

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2/21/14, 2:33 PMReview: Tangent Lines & Parametric EquationsCurrent Score :62 / 64Due :Tuesday, January 14 2014 11:59 PM PST1.8/8 points |Previous AnswersConsider the circle of radius 10 centered at the origin. Provide answers accurate to two decimal places.(a) The equation of the tangent line to the circle through the point (-6,8) has equationy=.
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(b) Suppose thatLis a tangent line to this circle which is parallel to the liney=5x+7and has a negativeyintercept. Then the point oftangency ofLwith this circle is ().
2.16/16 points |Previous AnswersDraw the unit circle and plot the pointP=(4,2). Observe there are TWO lines tangent to the circle passing through the pointP. Answer thequestions below with 3 decimal places of accuracy.(a) The lineL1is tangent to the unit circle at the point).
(b) The tangent lineL1has equation:.

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Term
Spring
Professor
WAlker
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