An employee who produces x units per hour earns an hourly


5. Which of the ordered pairs 

(3, 1), (0, –4), (–4, 0), (–3, –7)

are solutions for the equation x – y = 4?

A) (3, 1) and (–4, 0) C) (0, –4), (–4, 0), and (–3, –7)

B) (0, –4) and (–3, –7) D) (–4, 0) and (–3, –7)

6. An employee who produces x units per hour earns an hourly wage of y = 0.35x + 11 (in dollars).  Find the hourly wage for an employee who produces 2 units per hour.

A)  $11.40    B)  $12.10    C)  $12.20    D)  $11.70

9. Find the slope of the line passing through the points (4, 0) and (4, 5).

A)  Undefined    B)  0    C)  1    D)  5

13. Find the slope of the line passing through the points (–9, –4) and (0, –4).

A)  Undefined    B)  0    C)  1    D)  9

20. Find the slope of the line passing through the points (–7, –4) and (–1, –10).

21. Graph using the intercept method: 5x – y = 5.

22. Graph using the intercept method: x + 3y = 6.

23. These data represent the population of a certain geographic region.

Year Population (in millions)

1950 34

1960 38

1970 43

1980 47

1990 50

2000 55      

(a)  Draw a line graph for the data.

(b)  Use the line graph to predict the population in the year 2010.

24. Graph y = 3x.

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Mathematics: An employee who produces x units per hour earns an hourly
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