Math 251

Math 251 Homework, Practice Problems, and Test Information

Homework is due Wednesday's by 4:30 except where noted otherwise.
Homework is to be handed in either in class or to the drop box.
No late assignments will be accepted.

Open Lab Schedule. Room 3695 (near library).

Homework #1. Due Wednesday, Sept 13

Section 12.1 : 20, 32
Section 12.2 : 12, 22, 26

Practice problems :

Section 12.1 : 5, 7, 9, 11, 13, 19, 25, 27, 31
Section 12.2 : 3, 5, 11, 15, 19, 21, 25, 27

Homework #2. Due Wednesday, Sept 20

Section 12.3 : 10, 20, 24, 26, 28, 34, 40, 48
Section 12.4 : 12, 16, 24, 26, 38, 40

Practice problems :

Section 12.3 : 1, 7, 9, 13, 17, 23, 31, 37, 41, 43, 47
Section 12.4 : 5, 9, 11, 15, 23, 25, 45

End of homework #2

Homework #3. Due Wednesday, Sept 27

Section 12.5 : 4, 12, 16, 20, 30, 34, 38, 40, 48, 52, 56, 68
Section 12.6 : 10, 14, 16, 18, 22, 24, 26, 28, 30, 32, 36

Practice problems :

Section 12.5 : 1, 5, 11, 15, 17, 19, 23, 25, 27, 33, 35, 37, 39, 43, 45, 47, 49, 51, 55, 59, 63
Section 12.6 : 9, 11, 13, 15, 17, 19, 21, 23, 25, 27, 29, 31, 33, 35

End of Homework #3

traces
quadratic surfaces

Homework #4. Due Wednesday, Oct 11

Section 12.7 : 42, 52, 60
Section 13.1 : 4, 8, 10, 16, 20, 22, 24, 26, 34
Section 13.2 : 4, 10, 12, 18, 22, 24, 32, 36, 46

Practice problems :

Section 12.7 : 3, 9, 15, 19, 23, 29, 31, 33, 35, 37, 39, 43, 45, 49, 51, 53, 55, 57, 59, 61
Section 13.1 : 3, 5, 7, 9, 13, 15, 17, 19, 21, 23, 25, 33, 35
Section 13.2 : 3, 7, 9, 13, 17, 21, 23, 29, 31, 33, 37, 39, 47

Test 1: Wednesday, Oct 4. Will cover sections 12.1 - 12.7, 13.1, 13.2.

Homework #5. Due Wednesday, Oct 18

Section 13.3 : 12, 14, 18, 20, 40, 50, 52
Section 13.4 : 6, 12, 18
Ch 13 Review : 14
Section 14.1 : 10, 12, 18, 20, 28, 30, 40, 44, 54, 56

Practice problems :

Section 13.3 : 11, 13, 19, 29, 33, 39, 47, 49, 51
Section 13.4 : 5, 13, 17
Ch 13 review : 13,
Section 14.1 : 7, 11, 13, 15, 16, 17, 23, 25, 29, 31, 39, 41, 53, 55, 57, 61, 63

Ch 14 mws (as shown in class)

14.3 Figure 1
14.3 Figure 2
14.3 Figures 4, 5
14.4 Figure 1
14.4 Figure 7

Homework #6. Due Wednesday, Oct 25

Section 14.2 : 6, 8, 28, 32
Section 14.3 : 4, 10, 20, 32, 38, 48, 78
Section 14.4 : 4, 14, 26, 30,
Section 14.5 : 4, 14, 16, 24, 26, 28, 34, 36, 38, 46

Practice problems :

Section 14.2 : 5, 7, 15, 27, 33
Section 14.3 : 3, 5, 7, 9, 13, 15, 17, 21, 29, 35, 45, 49, 67
Section 14.4 : 5, 11, 15, 19, 25, 27, 29,
Section 14.5 : 3, 5, 11, 13, 15, 21, 23, 27, 33, 35, 39

The textbook problems

14.6 Fig 3

Homework #7. Due: Nov 1

Section 14.6 : 6, 10, 12, 16, 18, 20, 24, 28, 30, 32, 36, 42, 48, 50
Section 14.7 : 2, 4, 6, 18 (and plot with MAPLE to verify), 28, 32, 38, 40, 44
Section 14.8 : 4, 6, 10, 18, 22, 38
Ch 14 Review : 40, 48

Practice problems :

Section 14.6 : 5, 9, 11, 13, 17, 19, 21, 25, 27, 31, 33, 35, 39, 47, 49
Section 14.7 : 1, 3, 5, 7, 9, 15, 17, 27, 31, 37, 39, 43, 45
Section 14.8 : 1, 3, 5, 11, 19, 21, 39
Ch 14 Review : 43, 47

Maple worksheet

Midterm 2: Friday, Nov 10

Topics: Sections 13.3 - 14.8

Here's a Practice Test

Homework #8. Due: Nov 15

Section 15.1 : 14
Section 15.2 : 6, 8, 16, 24,
Section 15.3 : 4, 12, 14, 16, 20, 38, 40, 44, 50
Section 15.4 : 8, 10, 14, 20, 24, 32
Section 15.5 : 8, 12, 16, 24

Practice problems :

Section 15.1 : 1, 3, 5
Section 15.2 : 5, 7, 9, 15, 19, 21, 23, 25, 29
Section 15.3 : 1, 3, 5, 7, 9, 11, 13, 19, 25, 37, 39, 45, 49
Section 15.4 : 7, 11, 13, 15, 17, 19, 23, 31
Section 15.5 : 3, 7, 11, 15, 23

End of homework #8

15.1 figures 4, 5 , 15.1 figure 8.
Figures 1, 2 Section 15.6 (surface area)

Homework #9. Due Wednesday, Nov 22

Section 15.6 : 8, 12, 24 (do 23 first)
Section 15.7 : 4, 6, 8, 10, 14, 20 (hint: use polar coordinates), 26, 28, 32, 34, 40

End of homework #9

Practice problems :

Section 15.6 : 1, 5, 7, 9, 23
Section 15.7 : 1, 2, 3, 5, 7, 9, 15, 17, 19, 25, 27, 31, 33, 39

Figures 2,3.
Figures 7, 8

Homework #10. Due Friday, Dec 1

Section 15.8 : 2, 4, 6, 10, 16, 20, 26, 34
Section 15.9 : 4, 6, 8, 14, 20, 22
Problem A : Calculate the surface area of an ellipsoid x²/a² + y²/b² + z²/c² = 1 using the change of variables. This question will be marked!
Section 16.1 : 4, 6, 12, 18, 24,
Section 16.2 : 4, 8, 10, 16, 20, 34, 38
Section 16.3 : 4, 8, 12, 14, 16, 20, 22, 26, 28

End of Homework 10

Practice problems :

Section 15.8 : 1, 3, 5, 9, 11, 15, 19, 21, 27, 33, 35,
Section 15.9 : 1, 3, 5, 7, 11, 15, 19
Section 16.1 : 5, 9, 11, 13, 15, 17, 23,
Section 16.2 : 3, 5, 7, 15, 19, 37
Section 16.3 : 5, 7, 11, 13, 15, 17, 19, 21, 23, 25, 27, 33
Section 16.4 : 1, 3, 7, 9, 11, 13, 15, 17, 25, 27

Last updated: Nov 30