homework8 - -2, 0, 2 and . Draw some other slopes as well....

Info iconThis preview shows pages 1–3. Sign up to view the full content.

View Full Document Right Arrow Icon
Math 1120 Homework 8 Due 10/20 or 10/21, 2011 Name: GRADES Book questions / 5 Presentation questions / 30 Print out these pages. Answer the “presentation questions” in the spaces provided. Include full explanations and write your answers in complete, mathematically and grammatically correct sentences. Your answers will be assessed for style and accuracy; you will be given written feedback on these prob- lems. Write your answers to the “book questions” on separate paper and staple to these pages. They will be assessed only for completeness. Always write neatly and legibly. Book questions — 9.1: 2, 4, 6, 8, 10 Presentation questions 1. Consider the diferential equation dy dx + 4 x y = 0. (a) [10 points] Sketch the slope Feld. Indicate clearly where the slopes are
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Background image of page 2
Background image of page 3
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: -2, 0, 2 and . Draw some other slopes as well. Sketch the solution curve which passes through (0 , 4). Math 1120, Fall 2011 Homework 8 due 10/20 or 10/21 2 (b) [5 points] If the point (0 , 4) is on the graph of a solution, use Eulers Method with step size equal to 1 / 2 to estimate that solution at x = 1. (c) [5 points] Find the general solution to the given dierential equation and the specic solution whose graph passes through (0 , 4). CONTINUE TO THE NEXT PAGE. Math 1120, Fall 2011 Homework 8 due 10/20 or 10/21 3 2. [10 points] (9.1: 20) Use Eulers Method with dx = 1 / 3 to estimate y (2) if y = x sin y and y (0) = 1. What is the exact value of y (2)? THIS IS THE LAST PAGE....
View Full Document

This note was uploaded on 10/31/2011 for the course MATH 1120 at Cornell University (Engineering School).

Page1 / 3

homework8 - -2, 0, 2 and . Draw some other slopes as well....

This preview shows document pages 1 - 3. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online