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Chapter Review Pg. 360 Questions: 7 and 8.

                                                                                                                          

    B) Yes, because the points on the graph are straight. 

    C) Yes its possible. Klaus can only work for part of the hour. 

 Question 8

a) The graph shows how many cars were washed at the grade 8 car wash. 

b) The points are showed as a straight line meaning that its a linear relation. 

c) The cost for 1 car wash is $10.

d) table of values. 

1   10 

2   20 

3   30

4   40

5   50 

9.3 Practice Test Page 362. Questions: 2 and 3

    

  

The correct answer would be letter "B". If we used that for base 1,2 and 3 it would work. 

Ex: 3 (1) = 3 

       3 (2) = 6

       3 (3) = 9

The graph relates to the letter C on the table of values. It's the answer because the numbers on the table of values are plotted on the graph.