Week 6: Algebra 2 (Sept. 24-28)

Monday: Solving Systems by Graphing or Substitution
CW: Page 161 # 25-33 odd
HW: Page 162: 41-46 all, 53, and 57-59 (example in class)


Tuesday: Solving Systems with Elimination
HW: 169 27-35 all, 40, 42

Wednesday
HW: Page 183: 33-36 all, 47

Study for test
147: 
207:
207:


CW/HW:
77: 1, 2, 8, 11, 21, 22, 25, 26, 29, 31
147: 4, 10, 14, 15, 23, 26, 28, 29, 34
207: 5, 6, 8, 12, 16 (not 18)


ANSWERS:
77: 1: not linear,
two: linear,
8: y=(two)(x)+6;
11: y=(3/2)x+(32/2), 
21: 90, 20, 70. 
22: (2A/(R^2); 
25: x>1 and x<4; 
26: x is less than or equal to 2, x is greater than or equal to 3; 
29: x equals all real numbers; 
31: x is greater than or equal to 5, less than or equal to -25

4: 37
10. 3/(rs^3t)
14: yes
15: no
23: -7
26: no
28: plus or minus the fourth root of (x+3); no
29:graph
34: left 3 units and down 4 units

5. 4 and 3
6. (-2, 3)
8. (-3, 4)
12. graph
16. graph
147: 
4: 37
10. 3/(rs^3t)
14: yes
15: no
23: -7
26: no
28: plus or minus the fourth root of (x+3); no
29:graph
34: left 3 units and down 4 units

5. 4 and 3
6. (-2, 3)
8. (-3, 4)
12. graph
16. graph
207:
5. 4 and 3
6. (-2, 3)
8. (-3, 4)
12. graph
16. graph



Friday
Chapter Test: Chapters 1, 2, 3