{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

Quiz4 solutions 225 - Math 225 — Quiz 4 October 8 2009...

Info icon This preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
Image of page 1

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

View Full Document Right Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: Math. 225 — Quiz 4 ' October 8, 2009 Use both sides of the paper if necessary (1) Determine which of these matrices are invertible. Justify your answers: AMA: ~3r+u +0 m) -\A WVUfiflifiJ 3: wires rows W: Hume: ) (Wye «MC w c am {war “é“jv‘w 3 pivot: . '5 H“; 3.] ‘ ”ms dear-Lt») m 1 was W L000; .2 MM 30 C7 E‘s mi in.U€r"§W§E(—‘ W “Wm (2) Let T be the map from R2 to R2 given by T(a:, y) = (—520 + 9y, 4:1: —— 7y) . (a) Find a matrix A so that (writing vectors in R2 as columns) (b) Show that T is invertible and find a formula for T ‘1 M-A: 35“3\é$*,l A, ““447 e 9 ‘9" Ag" w -5 45’ i a i E z z ‘r H ...
View Full Document

{[ snackBarMessage ]}

What students are saying

  • Left Quote Icon

    As a current student on this bumpy collegiate pathway, I stumbled upon Course Hero, where I can find study resources for nearly all my courses, get online help from tutors 24/7, and even share my old projects, papers, and lecture notes with other students.

    Student Picture

    Kiran Temple University Fox School of Business ‘17, Course Hero Intern

  • Left Quote Icon

    I cannot even describe how much Course Hero helped me this summer. It’s truly become something I can always rely on and help me. In the end, I was not only able to survive summer classes, but I was able to thrive thanks to Course Hero.

    Student Picture

    Dana University of Pennsylvania ‘17, Course Hero Intern

  • Left Quote Icon

    The ability to access any university’s resources through Course Hero proved invaluable in my case. I was behind on Tulane coursework and actually used UCLA’s materials to help me move forward and get everything together on time.

    Student Picture

    Jill Tulane University ‘16, Course Hero Intern