HOMEWORK SET #17 Due:_________________________

NAME _______________________________Score: __________ out of 30

DAY #14 FRIDAY, JANUARY 22ND 

Answer the following.  YOU MUST SHOW YOUR WORK!!!  (5 points) 

1. Amber and Sophia purchase snacks for their friends.  Amber purchases four iced coffees and six donuts and spends a total of $18.40.  Sophia purchases three iced coffees and three donuts and spends a total of $12.15.

Write a system of equations that can be used to find the price of one iced coffee and one donut.

Determine and state the price of an iced coffee and a donut.

DAY #16 TUESTDAY, JANUARY 26TH  

2. Lizzy has 30 coins that total $4.80.  All of her coins are dimes, D, and quarters, Q.  Which system of equations models this situation?

(1) (3)  

(2) (4)  

Answer the following.  YOU MUST SHOW YOUR WORK!!!  (5 points)

3. There were 92 total people who attended the chicken dinner fundraiser.  Adults were charged $10 and students were charged $7.  The fundraiser collected a total of $731.  How many adults and how many students attended the chicken dinner fundraiser? 

DAY #17 TUESTDAY, JANUARY 27TH  

Answer the following multiple choice questions.  (1 point each)

4. At an ice cream shop, the profit, P(c), is modeled by the function  , where c represents the number of ice cream cones sold.  An appropriate domain for this function is

(1) an integer   (3) a rational number  

(2) an integer   (4) a rational number  

5. The amount Mike gets paid weekly can be represented by the expression  , where a is the number of cell phone accessories he sells that week.  What is the constant term in this expression and what does it represent?   

(1) , the amount he is guaranteed to be paid each week
(2) , the amount he earns when he sells a accessories
(3) 290, the amount he is guaranteed to be paid each week
(4) 290, the amount he earns when he sells a accessories

6. Which system of equations will yield the same solution as the system below?
 

(1) (3)  

(2) (4)  

Answer the following.  (2 points each)

7. Find the 33rd term of the arithmetic sequence 8, 12, 16, 20, ¦
 

8. Does the point   lie on the line whose equation is  ?  Justify your answer algebraically.

9. If , evaluate  .

10. Is the relation  a function?  Explain your answer.

11. Is the relation   a one-to-one function?  Explain your answer.

12. What is the y-intercept of the line whose equation is  ?

13. The table below shows the year and the number of households in a building that had high-speed broadband internet access.

Year 2002 2003 2004 2005 2006 2007
Number of Households 11 16 23 33 42 47

What was the average rate of change between 2003 and 2006?

14. Graph the line: