M251ex1(su02)

# M251ex1(su02) - MATH 251 Summer 2002 Exam 1 NAME ID...

This preview shows pages 1–4. Sign up to view the full content.

MATH 251 Summer 2002 Exam 1 June 27, 2002 NAME : ID : INSTRUCTOR : There are 10 questions on 9 pages. Please read each problem carefully before starting to solve it. For each multiple choice problem 4 answers are given, only one of which is correct. Mark only one choice. For partial credit questions, all work must be shown - credit will not be given for an answer unsupported by work. N O CALCULATORS ARE ALLOWED . P LEASE DO NOT WRITE IN THE BOX BELOW . 1: 2: 3: 4: 5: 6: 7: 8: 9: 10: Total:

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

View Full Document
MATH 251 Summer 2002 -MidTerm Exam 1- 1. (6 points) Which of the following is a linear second order differential equation? (a) y 0 + ty = 1 (b) y 00 = t 2 y + e t (c) ( y 0 ) 2 = ( y + 2)( y - 3) (d) y 00 + 3 y 0 + 2 y = sin y 2. (6 points) The Existence and Uniqueness Theorem guarantees that the solution to ( t 2 - 4) y 0 + 2 ty = 1 t 2 y (1) = 4 is valid on; (a) ( - 2 , 2) (b) (0 , 2) (c) (2 , ) (d) ( -∞ , ) Page 2 of 9
MATH 251 Summer 2002 -MidTerm Exam 1- 3. (6 points) Which of the following pairs of functions is linearly dependent?

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

View Full Document
This is the end of the preview. Sign up to access the rest of the document.

{[ snackBarMessage ]}

### Page1 / 9

M251ex1(su02) - MATH 251 Summer 2002 Exam 1 NAME ID...

This preview shows document pages 1 - 4. Sign up to view the full document.

View Full Document
Ask a homework question - tutors are online