# hw9 - sakerwalla(hs9229 – HW9 – milburn –(54685 1...

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Unformatted text preview: sakerwalla (hs9229) – HW9 – milburn – (54685) 1 This print-out should have 23 questions. Multiple-choice questions may continue on the next column or page – find all choices before answering. 001 10.0 points Find dy dx when x 3 y 3- y = x . 1. dy dx = 1- 3 x 3 y 2 3 x 2 y 2- 1 2. dy dx = 1- 3 x 2 y 3 3 x 3 y 2- 1 3. dy dx = 1 + 3 x 2 y 3 3 x 3 y 2- 2 4. dy dx = 1- 3 x 3 y 3 3 x 3 y 2- 2 5. dy dx = 1- 2 x 3 y 3 2 x 3 y 2- 1 002 10.0 points The points P and Q on the graph of y 2- xy + 8 = 0 have the same x-coordinate x = 6. Find the point of intersection of the tangents to the graph at P and Q . 1. intersect at = parenleftBig 8 3 , 2 3 parenrightBig 2. intersect at = parenleftBig 8 3 , 8 3 parenrightBig 3. intersect at = parenleftBig 16 3 , 16 3 parenrightBig 4. intersect at = parenleftBig 16 3 , 8 3 parenrightBig 5. intersect at = parenleftBig 8 3 , 16 3 parenrightBig 003 10.0 points Determine d 2 y/dx 2 when 4 x 2 + 3 y 2 = 5 . 1. d 2 y dx 2 =- 20 9 y 2 2. d 2 y dx 2 = 20 9 y 2 3. d 2 y dx 2 =- 20 9 y 3 4. d 2 y dx 2 =- 4 9 y 3 5. d 2 y dx 2 = 20 9 y 3 004 10.0 points Find the rate of change of q with respect to p when p = 20 q 2 + 5 . 1. dq dp =- 5 q 2 p 2. None of these 3. dq dp =- 5 qp 2 4. dq dp =- 10 qp 5. dq dp =- 10 qp 2 005 10.0 points Find dy dx when tan( xy ) = 3 x- y . 1. dy dx = 3- y sec 2 ( xy ) x sec 2 ( xy )- 1 sakerwalla (hs9229) – HW9 – milburn – (54685) 2 2. dy dx = 3- y sec 2 ( xy ) x sec 2 ( xy ) + 1 3. dy dx = 1- x sec 2 ( xy ) y sec 2 ( xy ) + 3 4. dy dx = 3 + y sec 2 ( xy ) x sec 2 ( xy ) + 1 5....
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hw9 - sakerwalla(hs9229 – HW9 – milburn –(54685 1...

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