1. A curve has the equation y=x³+8x²+5x. dy (i) Work out the coordinates of the two turning points. = 3x²+16x+5 dy dx о = 3x² + 16x +5 0 = (3x+1)(x+5) 3x+1=0 - x+5=0 *= -1 1= (-13)³ +8 (½3)² + 5 (-1/3) = - 22/27 (-1/3-22/27) y= (-5)³ +8 (-5)² + 5(-5) = 50 (-5.50) -ㅎ -22 -5 50 ) and ( -0.333-0.815 (................

1. A curve has the equation y=x³+8x²+5x. dy (i) Work out the coordinates of the two turning points. = 3x²+16x+5 dy dx о = 3x² + 16x +5 0 = (3x+1)(x+5) 3x+1=0 - x+5=0 *= -1 1= (-13)³ +8 (½3)² + 5 (-1/3) = - 22/27 (-1/3-22/27) y= (-5)³ +8 (-5)² + 5(-5) = 50 (-5.50) -ㅎ -22 -5 50 ) and ( -0.333-0.815 (................

Trigonometry (MindTap Course List)

10th Edition

ISBN:9781337278461

Author:Ron Larson

Publisher:Ron Larson

Chapter6: Topics In Analytic Geometry

Section6.1: Lines

Problem 4ECP: Find the distance between the point 3,2 and the line 3x+5y=2.

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