Mark Asino's Algebra Scribe Post

#7 

7a)- 

7b)- Yes it does because the X axis (hours) is going up by 1 going up by 1 and the Y axis (cost) is going up by 9.

7c)- Yes because you can work for half an hour

#8

8a) The graph shows the number of cars being washed and the income of each car washed. 

8b) Its a linear relation because the X (cars) axis is going up by 1 and the Y axis (income) is going up by 10 

8c) The cost of one car is $10

8d) 

8e) 15 cars washed =  $150 income

#13

13a) T- Time       D- Distance

13b) 15 is the number you multiply the variable with 

               15t (2)= d

13c) 

13d) 

13e) Yes because you can stop at any time or distance 

13f)           15t(8)= 120km

                 

Page 363 #9

9a)

9b) 4f(60)= b 

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