1. You and your partner may work together on this assignment, but you each must have the answers written on your own papers.

2. a) Is this a positive or negative correlation? b) Write a sentence describing the slope in this problem. c) Write an equation representing the function. x (number of cards bought)y (money spent) 06 110 214 318 422 Question #2

3. a) Is this a positive or negative correlation? b) Write a sentence describing the slope in this problem. c) Write an equation representing the function. x (the number of people who take money from you) y (the amount of money you have) 0-10 1-8 2-6 3-4 4-2 Question #3

4. a) Is this a positive or negative correlation? b) Write a sentence describing the slope in this problem. c) Write an equation representing the function. x (days into winter)y (the temperature in ºC) 0-5 1-8 2-11 3-14 4-17 Question #4

5. a) Is this a positive or negative correlation? b) Write a sentence describing the slope in this problem. c) Write an equation representing the function. x (people who come in the room) y (the amount of work that gets done) 00 23 46 69 812 Question #5

6. a) Is this a positive or negative correlation? b) Write a sentence describing the slope in this problem. c) Write an equation representing the function. x (number of tardies to class) y (scores on math tests) 090 180 270 360 450 Question #6

7. a) Is this a positive or negative correlation? b) Write a sentence describing the slope in this problem. c) Write an equation representing the function. Every pound of crab can be purchased at the market for $18. Question #7

8. a) Is this a positive or negative correlation? b) Write a sentence describing the slope in this problem. c) Write an equation representing the function. Every year, the polar icecaps melt at a rate of 4 yards. Question #8

9. a) Is this a positive or negative correlation? b) Write a sentence describing the slope in this problem. c) Write an equation representing the function. A rental car company offers cars for $100 and an additional charge of 80 per mile traveled. Question #9

10. a) Is this a positive or negative correlation? b) Write a sentence describing the slope in this problem. c) Write an equation representing the function. The weight (in pounds) of a rainbow fish increases for every 2 inches long it is. Question #10

11. a) Is this a positive or negative correlation? b) Write a sentence describing the slope in this problem. c) Write an equation representing the function. You buy a new car for $24000 and every month it depreciates in value by $500. Question #11

12. a) Is this a positive or negative correlation? b) Write a sentence describing the slope in this problem. c) Write an equation representing the function. Every day your book is overdue at the library costs another 20. Question #12

13. Write a scenario that would describe this graph. Question #13

14. Write a scenario that would describe this graph. Question #14

15. Write a scenario that would describe this graph. Question #15

16. Write a scenario that would describe this graph. Question #16

17. Write a scenario that would describe this graph. Question #17

18. Write a scenario that would describe this graph. Question #18