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 October 20th, 2015, 06:04 PM #1 Newbie   Joined: Mar 2015 From: Chicago Posts: 22 Thanks: 1 How to find the tangent line? At what point on the curve y = square root 1 + 2x is the tangent line perpendicular to the line 6x + 2y = 1?
 October 20th, 2015, 07:04 PM #2 Math Team   Joined: Jul 2011 From: Texas Posts: 2,751 Thanks: 1401 Determine the slope of the line 6x+2y=1 Slope of a line perpendicular to 6x+2y=1 is the opposite reciprocal of the line's slope. Set the derivative of the curve equal to the opposite reciprocal value and solve for x ... then sub the value found for x into the curve's equation to determine the y-coordinate. Thanks from DerGiLLster

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