mid1f05

# mid1f05 - Print Name Math 20F Midterm Exam 1 Student Number...

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

Print Name: Student Number: Math 20F. Midterm Exam 1 October 17, 2005 Read each question carefully, and answer each question completely. Show all of your work. No credit will be given for unsupported answers. Write your solutions clearly and legibly. No credit will be given for illegible solutions. 1. (6 points) Consider the system of linear equations 2 x 1 + 3 x 2 - x 3 = 6 , - x 1 - x 2 + 2 x 3 = - 2 , x 1 + 2 x 3 = 2 . (a) Use elementary row operations to write the augmented matrix of the system in echelon form. (b) Find all solutions of the system. If the system has no solutions, explain how you conclude that. # Score 1 2 3 4 Σ

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

View Full Document
2. (6 points) Find all the solutions of the non-homogeneous system A x = b , and write them in parametric form, where A = 1 - 2 - 1 2 1 8 1 - 1 1 , b = 1 2 1 .

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 / 4

mid1f05 - Print Name Math 20F Midterm Exam 1 Student Number...

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

View Full Document
Ask a homework question - tutors are online