| Assigned |
Due date | Read |
Exercises |
|---|---|---|---|
| 1/17 |
1/22 |
7.1 |
Be prepared to present in class: 1. Give examples of rational expressions a) one variable, b) two variables, c) three variables, d) with negative coefficients, e) with fractional coefficients, f) with irrational coefficients. 2. Which of the following are rational expressions? Explain why. a) (3x^4-5x+1)/(x^2+6x-3) b) (7x^2y^3+3y^2-2)/(5xy^2+x^2+2xy) c) 7x^2y^3+3y^2-2 d) -3 e) 0/(2x^3+1) f) -5/9 |
| 1/24 |
1/29 |
7.1 |
Be prepared to present in class: Find the restrictions on the
variables in the rational expressions in the following exercises. Don't
worry about reducing for now: 7.1.2, 6, 10, 12, 16, 18 Turn in on paper on 2/5: Find a rational expression in y that is undefined for y=3, y=-5, and y=0. Be sure to explain why your rational expression is undefined for these values. |
| 1/31 |
2/7 |
7.1, 2 |
Do set 7.1a in the HLS online homework software. Turn in on paper: 7.1.44. Be sure to show all of the details of your work. Be prepared to present in class on 2/5: 7.1.22, 28, 38, 42 |
| 2/7 |
2/14 |
7.3, 4 |
Do sets 7.1b and 7.2 in the HLS online homework software. Turn in on paper: 7.2.58. Be sure to show all of the details of your work. Be prepared to present in class on 2/12: 7.2.14, 36, 54, 60 |
| 2/14 |
2/21 |
7.4, 5 |
Do sets 7.3 and 7.4b in the HLS online homework software. Turn in on paper: 7.4.50. Show all of the details of your work and check your solution(s). Be prepared to present in class on 2/19: 7.3.42, 50 and 7.4.44, 46 |
| 2/21 |
3/7 |
7.5 |
Do set 7.4a in the HLS online homework software. No exercise to turn in this time. Prepare for the first exam on 2/28. |
| 3/7 |
3/14 |
7.6, 8.1, 2 |
Do sets 7.5, 7.6, and the Chapter 7 Review in the HLS online
homework software. Turn in on paper: 7.6.34. Be prepared to present in class on 3/12: Find three everyday examples (from your own life) for variables that are directly proportional. Find three everyday examples of inverse proportionality and three everyday examples of joint variation. Choose examples that are different from the ones we gave in class. |
| 3/14 |
3/21 |
8.1, 3, 4 |
Do sets 8.2 and 8.3 in the HLS online homework software. Turn in on paper: 8.2.40. Make sure you find all solutions. Be prepared to present in class on 3/12: 8.2.3, 24, 42, and 8.3.8, 12, 40 |
| 3/19 |
3/26 |
8.4, 5 |
Do set 8.1 in the HLS online homework software. |
| 3/28 |
4/11 |
8.5, 6 |
Do sets 8.4 and 8.5 in the HLS online homework software. Turn in on paper on 4/16: 8.4.50. Check your answer. Be prepared to present in class on 4/9: 8.4.14, 26, 40, and 8.5.14, 22, 32 |