Q1PracticeF2007 - Name MATHEMATICS 23a FALL 2007 Practice...

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

View Full Document Right Arrow Icon
Name: MATHEMATICS 23a, FALL 2007 Practice Quiz # 1 October 2007 (These were the instructions from last year, when this was the real quiz) This is designed as a 45-minute quiz, but you may work on it until 9 PM. You get two chances on multiple-choice items 1-3. Bring up your paper for grading as soon as you have answered them. A correct answer on the first try is worth 2 points. If your first answer is wrong, a correct answer on the second try is worth 1 point. Questions 4, 5, 6 and 7 are worth 3, 3, 4, and 4 points respectively. For purposes of this quiz, treat the following approximations as exact: cos37 o = sin 53 o = 4 5 , cos53 o = sin37 o = 3 5 Problem 1st Try 2nd Try Points Score 1 2 2 2 3 2 4 xxx xxx 3 5 xxx xxx 3 6 xxx xxx 4 7 xxx xxx 4 Total 20 1. The angle between the vectors 4 2 and 2 - 1 is (a) 37 o (b) 45 o (c) 53 o (d) arccos( 1 5 ) (e) arccos( 1 3 ) 1
Background image of page 1

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

View Full DocumentRight Arrow Icon
2. T : Z 2 3 Z 2 3 is a linear transformation for which T [1] 3 0 = [2] 3 [1] 3 T 0 [1]
Background image of page 2
Image of page 3
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 6

Q1PracticeF2007 - Name MATHEMATICS 23a FALL 2007 Practice...

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