Wednesday, January 9, 2013

Wednesday

8-1 ~ Chapter Test Form B to help you study for TEST tomorrow

ANSWERS: 1. (-2,5)       2. (4,-6)       3. one         4. one         5. none          6. one
                     7. infinitely many          8. one          9. (-1, -2)        10. (-4, -3)     11. (1, 2)
                    12. (7, 3)       13.  (-6, 4)       14. (3, 0)       15.  $5; $1             16. 49 cars, 35 trucks
                    17. 10 performances       18. Answers may vary (see me)    19. B
                    25. a) 1.5x + 4y < 300    b) graph intercepts        c) 200 tickets     d) 75 tickets
                    26. a) 2x +2y < 300       b) graph        c) answers will vary; sample: width 50ft length 100
                                                                                                                          or 75 ft and 75ft
                    27. a) x + y = 90
                             0.13x + 0.03y = 0.08(90)

                          b) 45mL of 13% acid solution
                              45 mL of 3% acid solution

                    28. a) x + y = 15                                  28. b) 4 rolls 24-exp, 11 rolls 36-exp
                             8x + 11y = 153



8-2 ~ Page 237-238 #'s 1-15 odd


7-1 ~ Page 303 #'s 1-10 QUIZ tomorrow

7-2 ~ Chapter 6 Assignment #2

5th ~ Page 184 #'s 1-10  QUIZ tomorro